15685839

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 27417600

約数和(自身を除く): 11731761

約数列:

[1, 3, 9, 13, 23, 27, 29, 39, 67, 69, 87, 117, 201, 207, 261, 299, 351, 377, 603, 621, 667, 783, 871, 897, 1131, 1541, 1809, 1943, 2001, 2613, 2691, 3393, 4623, 5829, 6003, 7839, 8073, 8671, 10179, 13869, 17487, 18009, 20033, 23517, 25259, 26013, 41607, 44689, 52461, 60099, 75777, 78039, 134067, 180297, 227331, 234117, 402201, 540891, 580957, 681993, 1206603, 1742871, 5228613, 15685839]

約数ペア:

[(1, 15685839), (3, 5228613), (9, 1742871), (13, 1206603), (23, 681993), (27, 580957), (29, 540891), (39, 402201), (67, 234117), (69, 227331), (87, 180297), (117, 134067), (201, 78039), (207, 75777), (261, 60099), (299, 52461), (351, 44689), (377, 41607), (603, 26013), (621, 25259), (667, 23517), (783, 20033), (871, 18009), (897, 17487), (1131, 13869), (1541, 10179), (1809, 8671), (1943, 8073), (2001, 7839), (2613, 6003), (2691, 5829), (3393, 4623)]