17974845

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 38154240

約数和(自身を除く): 20179395

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 207, 315, 345, 483, 621, 805, 827, 945, 1035, 1449, 2415, 2481, 3105, 4135, 4347, 5789, 7245, 7443, 12405, 17367, 19021, 21735, 22329, 28945, 37215, 52101, 57063, 86835, 95105, 111645, 133147, 156303, 171189, 260505, 285315, 399441, 513567, 665735, 781515, 855945, 1198323, 1997205, 2567835, 3594969, 5991615, 17974845]

約数ペア:

[(1, 17974845), (3, 5991615), (5, 3594969), (7, 2567835), (9, 1997205), (15, 1198323), (21, 855945), (23, 781515), (27, 665735), (35, 513567), (45, 399441), (63, 285315), (69, 260505), (105, 171189), (115, 156303), (135, 133147), (161, 111645), (189, 95105), (207, 86835), (315, 57063), (345, 52101), (483, 37215), (621, 28945), (805, 22329), (827, 21735), (945, 19021), (1035, 17367), (1449, 12405), (2415, 7443), (2481, 7245), (3105, 5789), (4135, 4347)]