28402125

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 22815795

約数列:

[1, 3, 5, 15, 23, 25, 37, 69, 75, 89, 111, 115, 125, 185, 267, 345, 375, 445, 555, 575, 851, 925, 1335, 1725, 2047, 2225, 2553, 2775, 2875, 3293, 4255, 4625, 6141, 6675, 8625, 9879, 10235, 11125, 12765, 13875, 16465, 21275, 30705, 33375, 49395, 51175, 63825, 75739, 82325, 106375, 153525, 227217, 246975, 255875, 319125, 378695, 411625, 767625, 1136085, 1234875, 1893475, 5680425, 9467375, 28402125]

約数ペア:

[(1, 28402125), (3, 9467375), (5, 5680425), (15, 1893475), (23, 1234875), (25, 1136085), (37, 767625), (69, 411625), (75, 378695), (89, 319125), (111, 255875), (115, 246975), (125, 227217), (185, 153525), (267, 106375), (345, 82325), (375, 75739), (445, 63825), (555, 51175), (575, 49395), (851, 33375), (925, 30705), (1335, 21275), (1725, 16465), (2047, 13875), (2225, 12765), (2553, 11125), (2775, 10235), (2875, 9879), (3293, 8625), (4255, 6675), (4625, 6141)]