68993775

素因数分解:

$3^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 131751984

約数和(自身を除く): 62758209

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 81, 123, 135, 205, 225, 243, 277, 369, 405, 615, 675, 831, 1025, 1107, 1215, 1385, 1845, 2025, 2493, 3075, 3321, 4155, 5535, 6075, 6925, 7479, 9225, 9963, 11357, 12465, 16605, 20775, 22437, 27675, 34071, 37395, 49815, 56785, 62325, 67311, 83025, 102213, 112185, 170355, 186975, 249075, 283925, 306639, 336555, 511065, 560925, 851775, 919917, 1533195, 1682775, 2555325, 2759751, 4599585, 7665975, 13798755, 22997925, 68993775]

約数ペア:

[(1, 68993775), (3, 22997925), (5, 13798755), (9, 7665975), (15, 4599585), (25, 2759751), (27, 2555325), (41, 1682775), (45, 1533195), (75, 919917), (81, 851775), (123, 560925), (135, 511065), (205, 336555), (225, 306639), (243, 283925), (277, 249075), (369, 186975), (405, 170355), (615, 112185), (675, 102213), (831, 83025), (1025, 67311), (1107, 62325), (1215, 56785), (1385, 49815), (1845, 37395), (2025, 34071), (2493, 27675), (3075, 22437), (3321, 20775), (4155, 16605), (5535, 12465), (6075, 11357), (6925, 9963), (7479, 9225)]