140959917

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{16823}}^1$

素因数の和:16862

約数の個数: 36

約数和(自身を含む): 249331680

約数和(自身を除く): 108371763

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 16823, 50469, 117761, 151407, 319637, 353283, 824327, 958911, 1059849, 2237459, 2472981, 2876733, 6712377, 7418943, 15662213, 20137131, 46986639, 140959917]

約数ペア:

[(1, 140959917), (3, 46986639), (7, 20137131), (9, 15662213), (19, 7418943), (21, 6712377), (49, 2876733), (57, 2472981), (63, 2237459), (133, 1059849), (147, 958911), (171, 824327), (399, 353283), (441, 319637), (931, 151407), (1197, 117761), (2793, 50469), (8379, 16823)]