201563505

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 431101440

約数和(自身を除く): 229537935

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 53, 55, 65, 99, 117, 135, 143, 159, 165, 195, 197, 265, 297, 351, 429, 477, 495, 583, 585, 591, 689, 715, 795, 985, 1287, 1431, 1485, 1749, 1755, 1773, 2067, 2145, 2167, 2385, 2561, 2915, 2955, 3445, 3861, 5247, 5319, 6201, 6435, 6501, 7155, 7579, 7683, 8745, 8865, 10335, 10441, 10835, 12805, 15741, 18603, 19305, 19503, 22737, 23049, 26235, 26595, 28171, 31005, 31323, 32505, 37895, 38415, 52205, 58509, 68211, 69147, 78705, 84513, 93015, 93969, 97515, 113685, 114851, 115245, 135733, 140855, 156615, 204633, 253539, 281907, 292545, 341055, 344553, 345735, 407199, 422565, 469845, 574255, 678665, 760617, 1023165, 1033659, 1221597, 1267695, 1409535, 1493063, 1722765, 2035995, 3100977, 3664791, 3803085, 4479189, 5168295, 6107985, 7465315, 13437567, 15504885, 18323955, 22395945, 40312701, 67187835, 201563505]

約数ペア:

[(1, 201563505), (3, 67187835), (5, 40312701), (9, 22395945), (11, 18323955), (13, 15504885), (15, 13437567), (27, 7465315), (33, 6107985), (39, 5168295), (45, 4479189), (53, 3803085), (55, 3664791), (65, 3100977), (99, 2035995), (117, 1722765), (135, 1493063), (143, 1409535), (159, 1267695), (165, 1221597), (195, 1033659), (197, 1023165), (265, 760617), (297, 678665), (351, 574255), (429, 469845), (477, 422565), (495, 407199), (583, 345735), (585, 344553), (591, 341055), (689, 292545), (715, 281907), (795, 253539), (985, 204633), (1287, 156615), (1431, 140855), (1485, 135733), (1749, 115245), (1755, 114851), (1773, 113685), (2067, 97515), (2145, 93969), (2167, 93015), (2385, 84513), (2561, 78705), (2915, 69147), (2955, 68211), (3445, 58509), (3861, 52205), (5247, 38415), (5319, 37895), (6201, 32505), (6435, 31323), (6501, 31005), (7155, 28171), (7579, 26595), (7683, 26235), (8745, 23049), (8865, 22737), (10335, 19503), (10441, 19305), (10835, 18603), (12805, 15741)]