138445101

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 217451520

約数和(自身を除く): 79006419

約数列:

[1, 3, 9, 29, 31, 71, 87, 93, 213, 241, 261, 279, 639, 723, 899, 2059, 2169, 2201, 2697, 6177, 6603, 6989, 7471, 8091, 17111, 18531, 19809, 20967, 22413, 51333, 62901, 63829, 67239, 153999, 191487, 216659, 496219, 530441, 574461, 649977, 1488657, 1591323, 1949931, 4465971, 4773969, 15382789, 46148367, 138445101]

約数ペア:

[(1, 138445101), (3, 46148367), (9, 15382789), (29, 4773969), (31, 4465971), (71, 1949931), (87, 1591323), (93, 1488657), (213, 649977), (241, 574461), (261, 530441), (279, 496219), (639, 216659), (723, 191487), (899, 153999), (2059, 67239), (2169, 63829), (2201, 62901), (2697, 51333), (6177, 22413), (6603, 20967), (6989, 19809), (7471, 18531), (8091, 17111)]