72431163

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 131103648

約数和(自身を除く): 58672485

約数列:

[1, 3, 7, 9, 21, 23, 37, 49, 63, 69, 111, 147, 161, 193, 207, 259, 333, 441, 483, 579, 777, 851, 1127, 1351, 1449, 1737, 1813, 2331, 2553, 3381, 4053, 4439, 5439, 5957, 7141, 7659, 9457, 10143, 12159, 13317, 16317, 17871, 21423, 28371, 31073, 39951, 41699, 49987, 53613, 64269, 85113, 93219, 125097, 149961, 164243, 217511, 279657, 349909, 375291, 449883, 492729, 652533, 1049727, 1149701, 1478187, 1957599, 3149181, 3449103, 8047907, 10347309, 24143721, 72431163]

約数ペア:

[(1, 72431163), (3, 24143721), (7, 10347309), (9, 8047907), (21, 3449103), (23, 3149181), (37, 1957599), (49, 1478187), (63, 1149701), (69, 1049727), (111, 652533), (147, 492729), (161, 449883), (193, 375291), (207, 349909), (259, 279657), (333, 217511), (441, 164243), (483, 149961), (579, 125097), (777, 93219), (851, 85113), (1127, 64269), (1351, 53613), (1449, 49987), (1737, 41699), (1813, 39951), (2331, 31073), (2553, 28371), (3381, 21423), (4053, 17871), (4439, 16317), (5439, 13317), (5957, 12159), (7141, 10143), (7659, 9457)]