18475005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1367}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 31912704

約数和(自身を除く): 13437699

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 1367, 2703, 4101, 4505, 6835, 13515, 20505, 23239, 69717, 72451, 116195, 217353, 348585, 362255, 1086765, 1231667, 3695001, 6158335, 18475005]

約数ペア:

[(1, 18475005), (3, 6158335), (5, 3695001), (15, 1231667), (17, 1086765), (51, 362255), (53, 348585), (85, 217353), (159, 116195), (255, 72451), (265, 69717), (795, 23239), (901, 20505), (1367, 13515), (2703, 6835), (4101, 4505)]