315609

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 519840

約数和(自身を除く): 204231

約数列:

[1, 3, 7, 19, 21, 49, 57, 113, 133, 147, 339, 399, 791, 931, 2147, 2373, 2793, 5537, 6441, 15029, 16611, 45087, 105203, 315609]

約数ペア:

[(1, 315609), (3, 105203), (7, 45087), (19, 16611), (21, 15029), (49, 6441), (57, 5537), (113, 2793), (133, 2373), (147, 2147), (339, 931), (399, 791)]