31304775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 55130400

約数和(自身を除く): 23825625

約数列:

[1, 3, 5, 15, 25, 29, 37, 75, 87, 111, 145, 185, 389, 435, 555, 725, 925, 1073, 1167, 1945, 2175, 2775, 3219, 5365, 5835, 9725, 11281, 14393, 16095, 26825, 29175, 33843, 43179, 56405, 71965, 80475, 169215, 215895, 282025, 359825, 417397, 846075, 1079475, 1252191, 2086985, 6260955, 10434925, 31304775]

約数ペア:

[(1, 31304775), (3, 10434925), (5, 6260955), (15, 2086985), (25, 1252191), (29, 1079475), (37, 846075), (75, 417397), (87, 359825), (111, 282025), (145, 215895), (185, 169215), (389, 80475), (435, 71965), (555, 56405), (725, 43179), (925, 33843), (1073, 29175), (1167, 26825), (1945, 16095), (2175, 14393), (2775, 11281), (3219, 9725), (5365, 5835)]