15995988

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{4003}}^1$

素因数の和:4053

約数の個数: 48

約数和(自身を含む): 42602560

約数和(自身を除く): 26606572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 4003, 8006, 12009, 16012, 24018, 36027, 48036, 72054, 108081, 144108, 148111, 216162, 296222, 432324, 444333, 592444, 888666, 1332999, 1777332, 2665998, 3998997, 5331996, 7997994, 15995988]

約数ペア:

[(1, 15995988), (2, 7997994), (3, 5331996), (4, 3998997), (6, 2665998), (9, 1777332), (12, 1332999), (18, 888666), (27, 592444), (36, 444333), (37, 432324), (54, 296222), (74, 216162), (108, 148111), (111, 144108), (148, 108081), (222, 72054), (333, 48036), (444, 36027), (666, 24018), (999, 16012), (1332, 12009), (1998, 8006), (3996, 4003)]