1291223817

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{787}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 2070927040

約数和(自身を除く): 779703223

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 379, 481, 787, 1137, 1443, 2361, 3411, 4329, 4927, 7083, 10231, 14023, 14781, 29119, 30693, 42069, 44343, 87357, 92079, 126207, 182299, 262071, 298273, 378547, 546897, 894819, 1135641, 1640691, 2684457, 3406923, 3877549, 11036101, 11632647, 33108303, 34897941, 99324909, 143469313, 430407939, 1291223817]

約数ペア:

[(1, 1291223817), (3, 430407939), (9, 143469313), (13, 99324909), (37, 34897941), (39, 33108303), (111, 11632647), (117, 11036101), (333, 3877549), (379, 3406923), (481, 2684457), (787, 1640691), (1137, 1135641), (1443, 894819), (2361, 546897), (3411, 378547), (4329, 298273), (4927, 262071), (7083, 182299), (10231, 126207), (14023, 92079), (14781, 87357), (29119, 44343), (30693, 42069)]