71157261

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 118104000

約数和(自身を除く): 46946739

約数列:

[1, 3, 7, 19, 21, 49, 57, 73, 133, 147, 219, 349, 399, 511, 931, 1047, 1387, 1533, 2443, 2793, 3577, 4161, 6631, 7329, 9709, 10731, 17101, 19893, 25477, 29127, 46417, 51303, 67963, 76431, 139251, 178339, 203889, 324919, 484063, 535017, 974757, 1248373, 1452189, 3388441, 3745119, 10165323, 23719087, 71157261]

約数ペア:

[(1, 71157261), (3, 23719087), (7, 10165323), (19, 3745119), (21, 3388441), (49, 1452189), (57, 1248373), (73, 974757), (133, 535017), (147, 484063), (219, 324919), (349, 203889), (399, 178339), (511, 139251), (931, 76431), (1047, 67963), (1387, 51303), (1533, 46417), (2443, 29127), (2793, 25477), (3577, 19893), (4161, 17101), (6631, 10731), (7329, 9709)]