38906271

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 64880640

約数和(自身を除く): 25974369

約数列:

[1, 3, 9, 23, 27, 31, 43, 47, 69, 93, 129, 141, 207, 279, 387, 423, 621, 713, 837, 989, 1081, 1161, 1269, 1333, 1457, 2021, 2139, 2967, 3243, 3999, 4371, 6063, 6417, 8901, 9729, 11997, 13113, 18189, 19251, 26703, 29187, 30659, 33511, 35991, 39339, 46483, 54567, 62651, 91977, 100533, 139449, 187953, 275931, 301599, 418347, 563859, 827793, 904797, 1255041, 1440973, 1691577, 4322919, 12968757, 38906271]

約数ペア:

[(1, 38906271), (3, 12968757), (9, 4322919), (23, 1691577), (27, 1440973), (31, 1255041), (43, 904797), (47, 827793), (69, 563859), (93, 418347), (129, 301599), (141, 275931), (207, 187953), (279, 139449), (387, 100533), (423, 91977), (621, 62651), (713, 54567), (837, 46483), (989, 39339), (1081, 35991), (1161, 33511), (1269, 30659), (1333, 29187), (1457, 26703), (2021, 19251), (2139, 18189), (2967, 13113), (3243, 11997), (3999, 9729), (4371, 8901), (6063, 6417)]