220702905

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1291}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 399072960

約数和(自身を除く): 178370055

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 131, 145, 261, 393, 435, 655, 1179, 1291, 1305, 1965, 3799, 3873, 5895, 6455, 11397, 11619, 18995, 19365, 34191, 37439, 56985, 58095, 112317, 169121, 170955, 187195, 336951, 507363, 561585, 845605, 1522089, 1684755, 2536815, 4904509, 7610445, 14713527, 24522545, 44140581, 73567635, 220702905]

約数ペア:

[(1, 220702905), (3, 73567635), (5, 44140581), (9, 24522545), (15, 14713527), (29, 7610445), (45, 4904509), (87, 2536815), (131, 1684755), (145, 1522089), (261, 845605), (393, 561585), (435, 507363), (655, 336951), (1179, 187195), (1291, 170955), (1305, 169121), (1965, 112317), (3799, 58095), (3873, 56985), (5895, 37439), (6455, 34191), (11397, 19365), (11619, 18995)]