56387877

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 99207360

約数和(自身を除く): 42819483

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 741, 931, 1553, 1729, 1911, 2793, 4659, 5187, 10871, 12103, 20189, 29507, 32613, 36309, 60567, 76097, 88521, 141323, 206549, 228291, 383591, 423969, 619647, 989261, 1150773, 1445843, 2685137, 2967783, 4337529, 8055411, 18795959, 56387877]

約数ペア:

[(1, 56387877), (3, 18795959), (7, 8055411), (13, 4337529), (19, 2967783), (21, 2685137), (39, 1445843), (49, 1150773), (57, 989261), (91, 619647), (133, 423969), (147, 383591), (247, 228291), (273, 206549), (399, 141323), (637, 88521), (741, 76097), (931, 60567), (1553, 36309), (1729, 32613), (1911, 29507), (2793, 20189), (4659, 12103), (5187, 10871)]