15989994

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 37428480

約数和(自身を除く): 21438486

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 53, 54, 74, 106, 111, 151, 159, 222, 302, 318, 333, 453, 477, 666, 906, 954, 999, 1359, 1431, 1961, 1998, 2718, 2862, 3922, 4077, 5587, 5883, 8003, 8154, 11174, 11766, 16006, 16761, 17649, 24009, 33522, 35298, 48018, 50283, 52947, 72027, 100566, 105894, 144054, 150849, 216081, 296111, 301698, 432162, 592222, 888333, 1776666, 2664999, 5329998, 7994997, 15989994]

約数ペア:

[(1, 15989994), (2, 7994997), (3, 5329998), (6, 2664999), (9, 1776666), (18, 888333), (27, 592222), (37, 432162), (53, 301698), (54, 296111), (74, 216081), (106, 150849), (111, 144054), (151, 105894), (159, 100566), (222, 72027), (302, 52947), (318, 50283), (333, 48018), (453, 35298), (477, 33522), (666, 24009), (906, 17649), (954, 16761), (999, 16006), (1359, 11766), (1431, 11174), (1961, 8154), (1998, 8003), (2718, 5883), (2862, 5587), (3922, 4077)]