38440521

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 70041600

約数和(自身を除く): 31601079

約数列:

[1, 3, 7, 9, 21, 23, 27, 37, 63, 69, 111, 161, 189, 207, 239, 259, 333, 483, 621, 717, 777, 851, 999, 1449, 1673, 2151, 2331, 2553, 4347, 5019, 5497, 5957, 6453, 6993, 7659, 8843, 15057, 16491, 17871, 22977, 26529, 38479, 45171, 49473, 53613, 61901, 79587, 115437, 148419, 160839, 185703, 203389, 238761, 346311, 557109, 610167, 1038933, 1423723, 1671327, 1830501, 4271169, 5491503, 12813507, 38440521]

約数ペア:

[(1, 38440521), (3, 12813507), (7, 5491503), (9, 4271169), (21, 1830501), (23, 1671327), (27, 1423723), (37, 1038933), (63, 610167), (69, 557109), (111, 346311), (161, 238761), (189, 203389), (207, 185703), (239, 160839), (259, 148419), (333, 115437), (483, 79587), (621, 61901), (717, 53613), (777, 49473), (851, 45171), (999, 38479), (1449, 26529), (1673, 22977), (2151, 17871), (2331, 16491), (2553, 15057), (4347, 8843), (5019, 7659), (5497, 6993), (5957, 6453)]