199981455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{14797}}^1$

素因数の和:14875

約数の個数: 32

約数和(自身を含む): 345207744

約数和(自身を除く): 145226289

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2703, 4505, 13515, 14797, 44391, 73985, 221955, 251549, 754647, 784241, 1257745, 2352723, 3773235, 3921205, 11763615, 13332097, 39996291, 66660485, 199981455]

約数ペア:

[(1, 199981455), (3, 66660485), (5, 39996291), (15, 13332097), (17, 11763615), (51, 3921205), (53, 3773235), (85, 2352723), (159, 1257745), (255, 784241), (265, 754647), (795, 251549), (901, 221955), (2703, 73985), (4505, 44391), (13515, 14797)]