71568075

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 122849280

約数和(自身を除く): 51281205

約数列:

[1, 3, 5, 15, 25, 47, 75, 79, 141, 235, 237, 257, 395, 705, 771, 1175, 1185, 1285, 1975, 3525, 3713, 3855, 5925, 6425, 11139, 12079, 18565, 19275, 20303, 36237, 55695, 60395, 60909, 92825, 101515, 181185, 278475, 301975, 304545, 507575, 905925, 954241, 1522725, 2862723, 4771205, 14313615, 23856025, 71568075]

約数ペア:

[(1, 71568075), (3, 23856025), (5, 14313615), (15, 4771205), (25, 2862723), (47, 1522725), (75, 954241), (79, 905925), (141, 507575), (235, 304545), (237, 301975), (257, 278475), (395, 181185), (705, 101515), (771, 92825), (1175, 60909), (1185, 60395), (1285, 55695), (1975, 36237), (3525, 20303), (3713, 19275), (3855, 18565), (5925, 12079), (6425, 11139)]