12815985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 25966080

約数和(自身を除く): 13150095

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 41, 65, 91, 105, 123, 195, 205, 229, 273, 287, 455, 533, 615, 687, 861, 1145, 1365, 1435, 1599, 1603, 2665, 2977, 3435, 3731, 4305, 4809, 7995, 8015, 8931, 9389, 11193, 14885, 18655, 20839, 24045, 28167, 44655, 46945, 55965, 62517, 65723, 104195, 122057, 140835, 197169, 312585, 328615, 366171, 610285, 854399, 985845, 1830855, 2563197, 4271995, 12815985]

約数ペア:

[(1, 12815985), (3, 4271995), (5, 2563197), (7, 1830855), (13, 985845), (15, 854399), (21, 610285), (35, 366171), (39, 328615), (41, 312585), (65, 197169), (91, 140835), (105, 122057), (123, 104195), (195, 65723), (205, 62517), (229, 55965), (273, 46945), (287, 44655), (455, 28167), (533, 24045), (615, 20839), (687, 18655), (861, 14885), (1145, 11193), (1365, 9389), (1435, 8931), (1599, 8015), (1603, 7995), (2665, 4809), (2977, 4305), (3435, 3731)]