15140853

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 29047200

約数和(自身を除く): 13906347

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 91, 117, 133, 139, 147, 171, 247, 273, 399, 417, 441, 637, 741, 819, 931, 973, 1197, 1251, 1729, 1807, 1911, 2223, 2641, 2793, 2919, 5187, 5421, 5733, 6811, 7923, 8379, 8757, 12103, 12649, 15561, 16263, 18487, 20433, 23769, 34333, 36309, 37947, 55461, 61299, 88543, 102999, 108927, 113841, 129409, 166383, 240331, 265629, 308997, 388227, 720993, 796887, 1164681, 1682317, 2162979, 5046951, 15140853]

約数ペア:

[(1, 15140853), (3, 5046951), (7, 2162979), (9, 1682317), (13, 1164681), (19, 796887), (21, 720993), (39, 388227), (49, 308997), (57, 265629), (63, 240331), (91, 166383), (117, 129409), (133, 113841), (139, 108927), (147, 102999), (171, 88543), (247, 61299), (273, 55461), (399, 37947), (417, 36309), (441, 34333), (637, 23769), (741, 20433), (819, 18487), (931, 16263), (973, 15561), (1197, 12649), (1251, 12103), (1729, 8757), (1807, 8379), (1911, 7923), (2223, 6811), (2641, 5733), (2793, 5421), (2919, 5187)]