25782183

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 48550320

約数和(自身を除く): 22768137

約数列:

[1, 3, 7, 9, 17, 19, 21, 49, 51, 57, 63, 119, 133, 147, 153, 171, 181, 323, 357, 399, 441, 543, 833, 931, 969, 1071, 1197, 1267, 1629, 2261, 2499, 2793, 2907, 3077, 3439, 3801, 6783, 7497, 8379, 8869, 9231, 10317, 11403, 15827, 20349, 21539, 24073, 26607, 27693, 30951, 47481, 58463, 64617, 72219, 79821, 142443, 150773, 168511, 175389, 193851, 216657, 409241, 452319, 505533, 526167, 1227723, 1356957, 1516599, 2864687, 3683169, 8594061, 25782183]

約数ペア:

[(1, 25782183), (3, 8594061), (7, 3683169), (9, 2864687), (17, 1516599), (19, 1356957), (21, 1227723), (49, 526167), (51, 505533), (57, 452319), (63, 409241), (119, 216657), (133, 193851), (147, 175389), (153, 168511), (171, 150773), (181, 142443), (323, 79821), (357, 72219), (399, 64617), (441, 58463), (543, 47481), (833, 30951), (931, 27693), (969, 26607), (1071, 24073), (1197, 21539), (1267, 20349), (1629, 15827), (2261, 11403), (2499, 10317), (2793, 9231), (2907, 8869), (3077, 8379), (3439, 7497), (3801, 6783)]