1391775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 2880768

約数和(自身を除く): 1488993

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 241, 275, 385, 525, 723, 825, 1155, 1205, 1687, 1925, 2651, 3615, 5061, 5775, 6025, 7953, 8435, 13255, 18075, 18557, 25305, 39765, 42175, 55671, 66275, 92785, 126525, 198825, 278355, 463925, 1391775]

約数ペア:

[(1, 1391775), (3, 463925), (5, 278355), (7, 198825), (11, 126525), (15, 92785), (21, 66275), (25, 55671), (33, 42175), (35, 39765), (55, 25305), (75, 18557), (77, 18075), (105, 13255), (165, 8435), (175, 7953), (231, 6025), (241, 5775), (275, 5061), (385, 3615), (525, 2651), (723, 1925), (825, 1687), (1155, 1205)]