189808515

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 375350976

約数和(自身を除く): 185542461

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 61, 65, 81, 117, 135, 183, 195, 197, 243, 305, 351, 405, 549, 585, 591, 793, 915, 985, 1053, 1215, 1647, 1755, 1773, 2379, 2561, 2745, 2955, 3159, 3965, 4941, 5265, 5319, 7137, 7683, 8235, 8865, 11895, 12017, 12805, 14823, 15795, 15957, 21411, 23049, 24705, 26595, 35685, 36051, 38415, 47871, 60085, 64233, 69147, 74115, 79785, 107055, 108153, 115245, 156221, 180255, 192699, 207441, 239355, 321165, 324459, 345735, 468663, 540765, 622323, 781105, 963495, 973377, 1037205, 1405989, 1622295, 2343315, 2920131, 3111615, 4217967, 4866885, 7029945, 12653901, 14600655, 21089835, 37961703, 63269505, 189808515]

約数ペア:

[(1, 189808515), (3, 63269505), (5, 37961703), (9, 21089835), (13, 14600655), (15, 12653901), (27, 7029945), (39, 4866885), (45, 4217967), (61, 3111615), (65, 2920131), (81, 2343315), (117, 1622295), (135, 1405989), (183, 1037205), (195, 973377), (197, 963495), (243, 781105), (305, 622323), (351, 540765), (405, 468663), (549, 345735), (585, 324459), (591, 321165), (793, 239355), (915, 207441), (985, 192699), (1053, 180255), (1215, 156221), (1647, 115245), (1755, 108153), (1773, 107055), (2379, 79785), (2561, 74115), (2745, 69147), (2955, 64233), (3159, 60085), (3965, 47871), (4941, 38415), (5265, 36051), (5319, 35685), (7137, 26595), (7683, 24705), (8235, 23049), (8865, 21411), (11895, 15957), (12017, 15795), (12805, 14823)]