16890804945

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{2221}}^1\times {\mathrm{3449}}^1$

素因数の和:5695

約数の個数: 72

約数和(自身を含む): 34082591400

約数和(自身を除く): 17191786455

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 2221, 3449, 6663, 10347, 11105, 15547, 17245, 19989, 24143, 31041, 33315, 46641, 51735, 72429, 77735, 99945, 108829, 120715, 139923, 155205, 169001, 217287, 233205, 326487, 362145, 507003, 544145, 699615, 845005, 979461, 1086435, 1521009, 1632435, 2535015, 4897305, 7605045, 7660229, 22980687, 38301145, 53621603, 68942061, 114903435, 160864809, 268108015, 344710305, 375351221, 482594427, 804324045, 1126053663, 1876756105, 2412972135, 3378160989, 5630268315, 16890804945]

約数ペア:

[(1, 16890804945), (3, 5630268315), (5, 3378160989), (7, 2412972135), (9, 1876756105), (15, 1126053663), (21, 804324045), (35, 482594427), (45, 375351221), (49, 344710305), (63, 268108015), (105, 160864809), (147, 114903435), (245, 68942061), (315, 53621603), (441, 38301145), (735, 22980687), (2205, 7660229), (2221, 7605045), (3449, 4897305), (6663, 2535015), (10347, 1632435), (11105, 1521009), (15547, 1086435), (17245, 979461), (19989, 845005), (24143, 699615), (31041, 544145), (33315, 507003), (46641, 362145), (51735, 326487), (72429, 233205), (77735, 217287), (99945, 169001), (108829, 155205), (120715, 139923)]