23900499

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 42631680

約数和(自身を除く): 18731181

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 369, 399, 487, 779, 861, 1197, 1461, 2337, 2583, 3409, 4383, 5453, 7011, 9253, 10227, 16359, 19967, 27759, 30681, 49077, 59901, 64771, 83277, 139769, 179703, 194313, 379373, 419307, 582939, 1138119, 1257921, 2655611, 3414357, 7966833, 23900499]

約数ペア:

[(1, 23900499), (3, 7966833), (7, 3414357), (9, 2655611), (19, 1257921), (21, 1138119), (41, 582939), (57, 419307), (63, 379373), (123, 194313), (133, 179703), (171, 139769), (287, 83277), (369, 64771), (399, 59901), (487, 49077), (779, 30681), (861, 27759), (1197, 19967), (1461, 16359), (2337, 10227), (2583, 9253), (3409, 7011), (4383, 5453)]