15831018

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 42462720

約数和(自身を除く): 26631702

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 49, 54, 62, 63, 93, 98, 126, 147, 186, 189, 193, 217, 279, 294, 378, 386, 434, 441, 558, 579, 651, 837, 882, 1158, 1302, 1323, 1351, 1519, 1674, 1737, 1953, 2646, 2702, 3038, 3474, 3906, 4053, 4557, 5211, 5859, 5983, 8106, 9114, 9457, 10422, 11718, 11966, 12159, 13671, 17949, 18914, 24318, 27342, 28371, 35898, 36477, 41013, 41881, 53847, 56742, 72954, 82026, 83762, 85113, 107694, 125643, 161541, 170226, 251286, 255339, 293167, 323082, 376929, 510678, 586334, 753858, 879501, 1130787, 1759002, 2261574, 2638503, 5277006, 7915509, 15831018]

約数ペア:

[(1, 15831018), (2, 7915509), (3, 5277006), (6, 2638503), (7, 2261574), (9, 1759002), (14, 1130787), (18, 879501), (21, 753858), (27, 586334), (31, 510678), (42, 376929), (49, 323082), (54, 293167), (62, 255339), (63, 251286), (93, 170226), (98, 161541), (126, 125643), (147, 107694), (186, 85113), (189, 83762), (193, 82026), (217, 72954), (279, 56742), (294, 53847), (378, 41881), (386, 41013), (434, 36477), (441, 35898), (558, 28371), (579, 27342), (651, 24318), (837, 18914), (882, 17949), (1158, 13671), (1302, 12159), (1323, 11966), (1351, 11718), (1519, 10422), (1674, 9457), (1737, 9114), (1953, 8106), (2646, 5983), (2702, 5859), (3038, 5211), (3474, 4557), (3906, 4053)]