19751625

素因数分解:

$3^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 36171408

約数和(自身を除く): 16419783

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 125, 181, 225, 291, 375, 485, 543, 873, 905, 1125, 1455, 1629, 2425, 2715, 4365, 4525, 7275, 8145, 12125, 13575, 17557, 21825, 22625, 36375, 40725, 52671, 67875, 87785, 109125, 158013, 203625, 263355, 438925, 790065, 1316775, 2194625, 3950325, 6583875, 19751625]

約数ペア:

[(1, 19751625), (3, 6583875), (5, 3950325), (9, 2194625), (15, 1316775), (25, 790065), (45, 438925), (75, 263355), (97, 203625), (125, 158013), (181, 109125), (225, 87785), (291, 67875), (375, 52671), (485, 40725), (543, 36375), (873, 22625), (905, 21825), (1125, 17557), (1455, 13575), (1629, 12125), (2425, 8145), (2715, 7275), (4365, 4525)]