16660665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 33291648

約数和(自身を除く): 16630983

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 227, 233, 315, 681, 699, 1135, 1165, 1589, 1631, 2043, 2097, 3405, 3495, 4767, 4893, 7945, 8155, 10215, 10485, 14301, 14679, 23835, 24465, 52891, 71505, 73395, 158673, 264455, 370237, 476019, 793365, 1110711, 1851185, 2380095, 3332133, 5553555, 16660665]

約数ペア:

[(1, 16660665), (3, 5553555), (5, 3332133), (7, 2380095), (9, 1851185), (15, 1110711), (21, 793365), (35, 476019), (45, 370237), (63, 264455), (105, 158673), (227, 73395), (233, 71505), (315, 52891), (681, 24465), (699, 23835), (1135, 14679), (1165, 14301), (1589, 10485), (1631, 10215), (2043, 8155), (2097, 7945), (3405, 4893), (3495, 4767)]