661635

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 48

約数和(自身を含む): 1317600

約数和(自身を除く): 655965

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 65, 87, 117, 135, 145, 169, 195, 261, 351, 377, 435, 507, 585, 783, 845, 1131, 1305, 1521, 1755, 1885, 2535, 3393, 3915, 4563, 4901, 5655, 7605, 10179, 14703, 16965, 22815, 24505, 44109, 50895, 73515, 132327, 220545, 661635]

約数ペア:

[(1, 661635), (3, 220545), (5, 132327), (9, 73515), (13, 50895), (15, 44109), (27, 24505), (29, 22815), (39, 16965), (45, 14703), (65, 10179), (87, 7605), (117, 5655), (135, 4901), (145, 4563), (169, 3915), (195, 3393), (261, 2535), (351, 1885), (377, 1755), (435, 1521), (507, 1305), (585, 1131), (783, 845)]