660350019

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 1049310720

約数和(自身を除く): 388960701

約数列:

[1, 3, 7, 21, 49, 79, 101, 147, 237, 303, 553, 563, 707, 1659, 1689, 2121, 3871, 3941, 4949, 7979, 11613, 11823, 14847, 23937, 27587, 44477, 55853, 56863, 82761, 133431, 167559, 170589, 311339, 390971, 398041, 934017, 1172913, 1194123, 2179373, 2786287, 4492177, 6538119, 8358861, 13476531, 31445239, 94335717, 220116673, 660350019]

約数ペア:

[(1, 660350019), (3, 220116673), (7, 94335717), (21, 31445239), (49, 13476531), (79, 8358861), (101, 6538119), (147, 4492177), (237, 2786287), (303, 2179373), (553, 1194123), (563, 1172913), (707, 934017), (1659, 398041), (1689, 390971), (2121, 311339), (3871, 170589), (3941, 167559), (4949, 133431), (7979, 82761), (11613, 56863), (11823, 55853), (14847, 44477), (23937, 27587)]