215202405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{4513}}^1$

素因数の和:4566

約数の個数: 48

約数和(自身を含む): 399109824

約数和(自身を除く): 183907419

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 289, 561, 867, 935, 1445, 2805, 3179, 4335, 4513, 9537, 13539, 15895, 22565, 47685, 49643, 67695, 76721, 148929, 230163, 248215, 383605, 744645, 843931, 1150815, 1304257, 2531793, 3912771, 4219655, 6521285, 12658965, 14346827, 19563855, 43040481, 71734135, 215202405]

約数ペア:

[(1, 215202405), (3, 71734135), (5, 43040481), (11, 19563855), (15, 14346827), (17, 12658965), (33, 6521285), (51, 4219655), (55, 3912771), (85, 2531793), (165, 1304257), (187, 1150815), (255, 843931), (289, 744645), (561, 383605), (867, 248215), (935, 230163), (1445, 148929), (2805, 76721), (3179, 67695), (4335, 49643), (4513, 47685), (9537, 22565), (13539, 15895)]