8156835

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 15759360

約数和(自身を除く): 7602525

約数列:

[1, 3, 5, 9, 15, 23, 27, 37, 45, 69, 71, 111, 115, 135, 185, 207, 213, 333, 345, 355, 555, 621, 639, 851, 999, 1035, 1065, 1633, 1665, 1917, 2553, 2627, 3105, 3195, 4255, 4899, 4995, 7659, 7881, 8165, 9585, 12765, 13135, 14697, 22977, 23643, 24495, 38295, 39405, 44091, 60421, 70929, 73485, 114885, 118215, 181263, 220455, 302105, 354645, 543789, 906315, 1631367, 2718945, 8156835]

約数ペア:

[(1, 8156835), (3, 2718945), (5, 1631367), (9, 906315), (15, 543789), (23, 354645), (27, 302105), (37, 220455), (45, 181263), (69, 118215), (71, 114885), (111, 73485), (115, 70929), (135, 60421), (185, 44091), (207, 39405), (213, 38295), (333, 24495), (345, 23643), (355, 22977), (555, 14697), (621, 13135), (639, 12765), (851, 9585), (999, 8165), (1035, 7881), (1065, 7659), (1633, 4995), (1665, 4899), (1917, 4255), (2553, 3195), (2627, 3105)]