55257525

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1243

約数の個数: 48

約数和(自身を含む): 103029120

約数和(自身を除く): 47771595

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 355, 639, 675, 1065, 1153, 1775, 1917, 3195, 3459, 5325, 5765, 9585, 10377, 15975, 17295, 28825, 31131, 47925, 51885, 81863, 86475, 155655, 245589, 259425, 409315, 736767, 778275, 1227945, 2046575, 2210301, 3683835, 6139725, 11051505, 18419175, 55257525]

約数ペア:

[(1, 55257525), (3, 18419175), (5, 11051505), (9, 6139725), (15, 3683835), (25, 2210301), (27, 2046575), (45, 1227945), (71, 778275), (75, 736767), (135, 409315), (213, 259425), (225, 245589), (355, 155655), (639, 86475), (675, 81863), (1065, 51885), (1153, 47925), (1775, 31131), (1917, 28825), (3195, 17295), (3459, 15975), (5325, 10377), (5765, 9585)]