17218875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 31584384

約数和(自身を除く): 14365509

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 73, 75, 85, 111, 125, 185, 219, 255, 365, 375, 425, 555, 629, 925, 1095, 1241, 1275, 1825, 1887, 2125, 2701, 2775, 3145, 3723, 4625, 5475, 6205, 6375, 8103, 9125, 9435, 13505, 13875, 15725, 18615, 27375, 31025, 40515, 45917, 47175, 67525, 78625, 93075, 137751, 155125, 202575, 229585, 235875, 337625, 465375, 688755, 1012875, 1147925, 3443775, 5739625, 17218875]

約数ペア:

[(1, 17218875), (3, 5739625), (5, 3443775), (15, 1147925), (17, 1012875), (25, 688755), (37, 465375), (51, 337625), (73, 235875), (75, 229585), (85, 202575), (111, 155125), (125, 137751), (185, 93075), (219, 78625), (255, 67525), (365, 47175), (375, 45917), (425, 40515), (555, 31025), (629, 27375), (925, 18615), (1095, 15725), (1241, 13875), (1275, 13505), (1825, 9435), (1887, 9125), (2125, 8103), (2701, 6375), (2775, 6205), (3145, 5475), (3723, 4625)]