213048163881

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2774173}}^1$

素因数の和:2774262

約数の個数: 48

約数和(自身を含む): 373914268416

約数和(自身を除く): 160866104535

約数列:

[1, 3, 7, 9, 21, 23, 53, 63, 69, 159, 161, 207, 371, 477, 483, 1113, 1219, 1449, 3339, 3657, 8533, 10971, 25599, 76797, 2774173, 8322519, 19419211, 24967557, 58257633, 63805979, 147031169, 174772899, 191417937, 441093507, 446641853, 574253811, 1029218183, 1323280521, 1339925559, 3087654549, 3381716887, 4019776677, 9262963647, 10145150661, 23672018209, 30435451983, 71016054627, 213048163881]

約数ペア:

[(1, 213048163881), (3, 71016054627), (7, 30435451983), (9, 23672018209), (21, 10145150661), (23, 9262963647), (53, 4019776677), (63, 3381716887), (69, 3087654549), (159, 1339925559), (161, 1323280521), (207, 1029218183), (371, 574253811), (477, 446641853), (483, 441093507), (1113, 191417937), (1219, 174772899), (1449, 147031169), (3339, 63805979), (3657, 58257633), (8533, 24967557), (10971, 19419211), (25599, 8322519), (76797, 2774173)]