128347875

素因数分解:

$3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2237}}^1$

素因数の和:2278

約数の個数: 64

約数和(自身を含む): 251372160

約数和(自身を除く): 123024285

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 125, 135, 153, 225, 255, 375, 425, 459, 675, 765, 1125, 1275, 2125, 2237, 2295, 3375, 3825, 6375, 6711, 11185, 11475, 19125, 20133, 33555, 38029, 55925, 57375, 60399, 100665, 114087, 167775, 190145, 279625, 301995, 342261, 503325, 570435, 838875, 950725, 1026783, 1509975, 1711305, 2516625, 2852175, 4753625, 5133915, 7549875, 8556525, 14260875, 25669575, 42782625, 128347875]

約数ペア:

[(1, 128347875), (3, 42782625), (5, 25669575), (9, 14260875), (15, 8556525), (17, 7549875), (25, 5133915), (27, 4753625), (45, 2852175), (51, 2516625), (75, 1711305), (85, 1509975), (125, 1026783), (135, 950725), (153, 838875), (225, 570435), (255, 503325), (375, 342261), (425, 301995), (459, 279625), (675, 190145), (765, 167775), (1125, 114087), (1275, 100665), (2125, 60399), (2237, 57375), (2295, 55925), (3375, 38029), (3825, 33555), (6375, 20133), (6711, 19125), (11185, 11475)]