3891915

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 7004160

約数和(自身を除く): 3112245

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 227, 381, 635, 681, 1135, 1143, 1905, 2043, 3405, 3429, 5715, 6129, 10215, 17145, 28829, 30645, 86487, 144145, 259461, 432435, 778383, 1297305, 3891915]

約数ペア:

[(1, 3891915), (3, 1297305), (5, 778383), (9, 432435), (15, 259461), (27, 144145), (45, 86487), (127, 30645), (135, 28829), (227, 17145), (381, 10215), (635, 6129), (681, 5715), (1135, 3429), (1143, 3405), (1905, 2043)]