79820025

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 136538880

約数和(自身を除く): 56718855

約数列:

[1, 3, 5, 15, 25, 61, 73, 75, 183, 219, 239, 305, 365, 717, 915, 1095, 1195, 1525, 1825, 3585, 4453, 4575, 5475, 5975, 13359, 14579, 17447, 17925, 22265, 43737, 52341, 66795, 72895, 87235, 111325, 218685, 261705, 333975, 364475, 436175, 1064267, 1093425, 1308525, 3192801, 5321335, 15964005, 26606675, 79820025]

約数ペア:

[(1, 79820025), (3, 26606675), (5, 15964005), (15, 5321335), (25, 3192801), (61, 1308525), (73, 1093425), (75, 1064267), (183, 436175), (219, 364475), (239, 333975), (305, 261705), (365, 218685), (717, 111325), (915, 87235), (1095, 72895), (1195, 66795), (1525, 52341), (1825, 43737), (3585, 22265), (4453, 17925), (4575, 17447), (5475, 14579), (5975, 13359)]