210203973

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{25087}}^1$

素因数の和:25126

約数の個数: 36

約数和(自身を含む): 371804160

約数和(自身を除く): 161600187

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 25087, 75261, 175609, 225783, 476653, 526827, 1229263, 1429959, 1580481, 3336571, 3687789, 4289877, 10009713, 11063367, 23355997, 30029139, 70067991, 210203973]

約数ペア:

[(1, 210203973), (3, 70067991), (7, 30029139), (9, 23355997), (19, 11063367), (21, 10009713), (49, 4289877), (57, 3687789), (63, 3336571), (133, 1580481), (147, 1429959), (171, 1229263), (399, 526827), (441, 476653), (931, 225783), (1197, 175609), (2793, 75261), (8379, 25087)]