291213315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2521}}^1$

素因数の和:2700

約数の個数: 48

約数和(自身を含む): 538214976

約数和(自身を除く): 247001661

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 151, 153, 255, 453, 755, 765, 1359, 2265, 2521, 2567, 6795, 7563, 7701, 12605, 12835, 22689, 23103, 37815, 38505, 42857, 113445, 115515, 128571, 214285, 380671, 385713, 642855, 1142013, 1903355, 1928565, 3426039, 5710065, 6471407, 17130195, 19414221, 32357035, 58242663, 97071105, 291213315]

約数ペア:

[(1, 291213315), (3, 97071105), (5, 58242663), (9, 32357035), (15, 19414221), (17, 17130195), (45, 6471407), (51, 5710065), (85, 3426039), (151, 1928565), (153, 1903355), (255, 1142013), (453, 642855), (755, 385713), (765, 380671), (1359, 214285), (2265, 128571), (2521, 115515), (2567, 113445), (6795, 42857), (7563, 38505), (7701, 37815), (12605, 23103), (12835, 22689)]