18323955

素因数分解:

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

素因数の和:277

約数の個数: 64

約数和(自身を含む): 35925120

約数和(自身を除く): 17601165

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 53, 65, 117, 135, 159, 195, 197, 265, 351, 477, 585, 591, 689, 795, 985, 1431, 1755, 1773, 2067, 2385, 2561, 2955, 3445, 5319, 6201, 7155, 7683, 8865, 10335, 10441, 12805, 18603, 23049, 26595, 31005, 31323, 38415, 52205, 69147, 93015, 93969, 115245, 135733, 156615, 281907, 345735, 407199, 469845, 678665, 1221597, 1409535, 2035995, 3664791, 6107985, 18323955]

約数ペア:

[(1, 18323955), (3, 6107985), (5, 3664791), (9, 2035995), (13, 1409535), (15, 1221597), (27, 678665), (39, 469845), (45, 407199), (53, 345735), (65, 281907), (117, 156615), (135, 135733), (159, 115245), (195, 93969), (197, 93015), (265, 69147), (351, 52205), (477, 38415), (585, 31323), (591, 31005), (689, 26595), (795, 23049), (985, 18603), (1431, 12805), (1755, 10441), (1773, 10335), (2067, 8865), (2385, 7683), (2561, 7155), (2955, 6201), (3445, 5319)]