2961765

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 40

約数和(自身を含む): 5436288

約数和(自身を除く): 2474523

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 103, 135, 213, 309, 355, 405, 515, 639, 927, 1065, 1545, 1917, 2781, 3195, 4635, 5751, 7313, 8343, 9585, 13905, 21939, 28755, 36565, 41715, 65817, 109695, 197451, 329085, 592353, 987255, 2961765]

約数ペア:

[(1, 2961765), (3, 987255), (5, 592353), (9, 329085), (15, 197451), (27, 109695), (45, 65817), (71, 41715), (81, 36565), (103, 28755), (135, 21939), (213, 13905), (309, 9585), (355, 8343), (405, 7313), (515, 5751), (639, 4635), (927, 3195), (1065, 2781), (1545, 1917)]