7189215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 13444704

約数和(自身を除く): 6255489

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 233, 255, 363, 561, 605, 699, 935, 1165, 1815, 2057, 2563, 2805, 3495, 3961, 6171, 7689, 10285, 11883, 12815, 19805, 28193, 30855, 38445, 43571, 59415, 84579, 130713, 140965, 217855, 422895, 479281, 653565, 1437843, 2396405, 7189215]

約数ペア:

[(1, 7189215), (3, 2396405), (5, 1437843), (11, 653565), (15, 479281), (17, 422895), (33, 217855), (51, 140965), (55, 130713), (85, 84579), (121, 59415), (165, 43571), (187, 38445), (233, 30855), (255, 28193), (363, 19805), (561, 12815), (605, 11883), (699, 10285), (935, 7689), (1165, 6171), (1815, 3961), (2057, 3495), (2563, 2805)]