616005

素因数分解:

$3^6\times 5^1\times {\mathrm{13}}^2$

素因数の和:49

約数の個数: 42

約数和(自身を含む): 1200114

約数和(自身を除く): 584109

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 169, 195, 243, 351, 405, 507, 585, 729, 845, 1053, 1215, 1521, 1755, 2535, 3159, 3645, 4563, 5265, 7605, 9477, 13689, 15795, 22815, 41067, 47385, 68445, 123201, 205335, 616005]

約数ペア:

[(1, 616005), (3, 205335), (5, 123201), (9, 68445), (13, 47385), (15, 41067), (27, 22815), (39, 15795), (45, 13689), (65, 9477), (81, 7605), (117, 5265), (135, 4563), (169, 3645), (195, 3159), (243, 2535), (351, 1755), (405, 1521), (507, 1215), (585, 1053), (729, 845)]