388170747

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 608864256

約数和(自身を除く): 220693509

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 241, 251, 279, 713, 723, 753, 2139, 2169, 2259, 5543, 5773, 6417, 7471, 7781, 16629, 17319, 22413, 23343, 49887, 51957, 60491, 67239, 70029, 171833, 178963, 181473, 515499, 536889, 544419, 1391293, 1546497, 1610667, 1875221, 4173879, 5625663, 12521637, 16876989, 43130083, 129390249, 388170747]

約数ペア:

[(1, 388170747), (3, 129390249), (9, 43130083), (23, 16876989), (31, 12521637), (69, 5625663), (93, 4173879), (207, 1875221), (241, 1610667), (251, 1546497), (279, 1391293), (713, 544419), (723, 536889), (753, 515499), (2139, 181473), (2169, 178963), (2259, 171833), (5543, 70029), (5773, 67239), (6417, 60491), (7471, 51957), (7781, 49887), (16629, 23343), (17319, 22413)]