28207890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13627}}^1$

素因数の和:13663

約数の個数: 48

約数和(自身を含む): 76534848

約数和(自身を除く): 48326958

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 13627, 27254, 40881, 68135, 81762, 122643, 136270, 204405, 245286, 313421, 408810, 613215, 626842, 940263, 1226430, 1567105, 1880526, 2820789, 3134210, 4701315, 5641578, 9402630, 14103945, 28207890]

約数ペア:

[(1, 28207890), (2, 14103945), (3, 9402630), (5, 5641578), (6, 4701315), (9, 3134210), (10, 2820789), (15, 1880526), (18, 1567105), (23, 1226430), (30, 940263), (45, 626842), (46, 613215), (69, 408810), (90, 313421), (115, 245286), (138, 204405), (207, 136270), (230, 122643), (345, 81762), (414, 68135), (690, 40881), (1035, 27254), (2070, 13627)]