207835455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{2053}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 353156544

約数和(自身を除く): 145321089

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 397, 1191, 1985, 2053, 5955, 6159, 6749, 10265, 20247, 30795, 33745, 34901, 101235, 104703, 174505, 523515, 815041, 2445123, 4075205, 12225615, 13855697, 41567091, 69278485, 207835455]

約数ペア:

[(1, 207835455), (3, 69278485), (5, 41567091), (15, 13855697), (17, 12225615), (51, 4075205), (85, 2445123), (255, 815041), (397, 523515), (1191, 174505), (1985, 104703), (2053, 101235), (5955, 34901), (6159, 33745), (6749, 30795), (10265, 20247)]