7901985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 15857856

約数和(自身を除く): 7955871

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 827, 1365, 1911, 2481, 3185, 4135, 5789, 9555, 10751, 12405, 17367, 28945, 32253, 40523, 53755, 75257, 86835, 121569, 161265, 202615, 225771, 376285, 526799, 607845, 1128855, 1580397, 2633995, 7901985]

約数ペア:

[(1, 7901985), (3, 2633995), (5, 1580397), (7, 1128855), (13, 607845), (15, 526799), (21, 376285), (35, 225771), (39, 202615), (49, 161265), (65, 121569), (91, 86835), (105, 75257), (147, 53755), (195, 40523), (245, 32253), (273, 28945), (455, 17367), (637, 12405), (735, 10751), (827, 9555), (1365, 5789), (1911, 4135), (2481, 3185)]