31391199

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4051}}^1$

素因数の和:4108

約数の個数: 32

約数和(自身を含む): 54458880

約数和(自身を除く): 23067681

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 4051, 7749, 12153, 28357, 36459, 85071, 109377, 166091, 255213, 498273, 765639, 1162637, 1494819, 3487911, 4484457, 10463733, 31391199]

約数ペア:

[(1, 31391199), (3, 10463733), (7, 4484457), (9, 3487911), (21, 1494819), (27, 1162637), (41, 765639), (63, 498273), (123, 255213), (189, 166091), (287, 109377), (369, 85071), (861, 36459), (1107, 28357), (2583, 12153), (4051, 7749)]