1771470

素因数分解:

$2^1\times 3^{11}\times 5^1$

素因数の和:40

約数の個数: 48

約数和(自身を含む): 4782960

約数和(自身を除く): 3011490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 1215, 1458, 2187, 2430, 3645, 4374, 6561, 7290, 10935, 13122, 19683, 21870, 32805, 39366, 59049, 65610, 98415, 118098, 177147, 196830, 295245, 354294, 590490, 885735, 1771470]

約数ペア:

[(1, 1771470), (2, 885735), (3, 590490), (5, 354294), (6, 295245), (9, 196830), (10, 177147), (15, 118098), (18, 98415), (27, 65610), (30, 59049), (45, 39366), (54, 32805), (81, 21870), (90, 19683), (135, 13122), (162, 10935), (243, 7290), (270, 6561), (405, 4374), (486, 3645), (729, 2430), (810, 2187), (1215, 1458)]