12686775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 22915200

約数和(自身を除く): 10228425

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 285, 307, 435, 475, 551, 725, 921, 1425, 1535, 1653, 2175, 2755, 4605, 5833, 7675, 8265, 8903, 13775, 17499, 23025, 26709, 29165, 41325, 44515, 87495, 133545, 145825, 169157, 222575, 437475, 507471, 667725, 845785, 2537355, 4228925, 12686775]

約数ペア:

[(1, 12686775), (3, 4228925), (5, 2537355), (15, 845785), (19, 667725), (25, 507471), (29, 437475), (57, 222575), (75, 169157), (87, 145825), (95, 133545), (145, 87495), (285, 44515), (307, 41325), (435, 29165), (475, 26709), (551, 23025), (725, 17499), (921, 13775), (1425, 8903), (1535, 8265), (1653, 7675), (2175, 5833), (2755, 4605)]