15942225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 28873152

約数和(自身を除く): 12930927

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 83, 195, 197, 249, 325, 415, 591, 975, 985, 1079, 1245, 2075, 2561, 2955, 3237, 4925, 5395, 6225, 7683, 12805, 14775, 16185, 16351, 26975, 38415, 49053, 64025, 80925, 81755, 192075, 212563, 245265, 408775, 637689, 1062815, 1226325, 3188445, 5314075, 15942225]

約数ペア:

[(1, 15942225), (3, 5314075), (5, 3188445), (13, 1226325), (15, 1062815), (25, 637689), (39, 408775), (65, 245265), (75, 212563), (83, 192075), (195, 81755), (197, 80925), (249, 64025), (325, 49053), (415, 38415), (591, 26975), (975, 16351), (985, 16185), (1079, 14775), (1245, 12805), (2075, 7683), (2561, 6225), (2955, 5395), (3237, 4925)]