64654605

素因数分解:

$3^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{607}}^1$

素因数の和:887

約数の個数: 40

約数和(自身を含む): 116531712

約数和(自身を除く): 51877107

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 263, 405, 607, 789, 1315, 1821, 2367, 3035, 3945, 5463, 7101, 9105, 11835, 16389, 21303, 27315, 35505, 49167, 81945, 106515, 159641, 245835, 478923, 798205, 1436769, 2394615, 4310307, 7183845, 12930921, 21551535, 64654605]

約数ペア:

[(1, 64654605), (3, 21551535), (5, 12930921), (9, 7183845), (15, 4310307), (27, 2394615), (45, 1436769), (81, 798205), (135, 478923), (263, 245835), (405, 159641), (607, 106515), (789, 81945), (1315, 49167), (1821, 35505), (2367, 27315), (3035, 21303), (3945, 16389), (5463, 11835), (7101, 9105)]