215197203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 334693856

約数和(自身を除く): 119496653

約数列:

[1, 3, 13, 17, 39, 51, 61, 183, 221, 289, 313, 663, 793, 867, 939, 1037, 2379, 3111, 3757, 4069, 5321, 11271, 12207, 13481, 15963, 17629, 19093, 40443, 52887, 57279, 69173, 90457, 207519, 229177, 248209, 271371, 324581, 687531, 744627, 973743, 1175941, 3527823, 4219553, 5517877, 12658659, 16553631, 71732401, 215197203]

約数ペア:

[(1, 215197203), (3, 71732401), (13, 16553631), (17, 12658659), (39, 5517877), (51, 4219553), (61, 3527823), (183, 1175941), (221, 973743), (289, 744627), (313, 687531), (663, 324581), (793, 271371), (867, 248209), (939, 229177), (1037, 207519), (2379, 90457), (3111, 69173), (3757, 57279), (4069, 52887), (5321, 40443), (11271, 19093), (12207, 17629), (13481, 15963)]