9909963

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 18270720

約数和(自身を除く): 8360757

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 487, 969, 1071, 1197, 1461, 2261, 2907, 3409, 4383, 6783, 8279, 9253, 10227, 20349, 24837, 27759, 30681, 57953, 64771, 74511, 83277, 157301, 173859, 194313, 471903, 521577, 582939, 1101107, 1415709, 3303321, 9909963]

約数ペア:

[(1, 9909963), (3, 3303321), (7, 1415709), (9, 1101107), (17, 582939), (19, 521577), (21, 471903), (51, 194313), (57, 173859), (63, 157301), (119, 83277), (133, 74511), (153, 64771), (171, 57953), (323, 30681), (357, 27759), (399, 24837), (487, 20349), (969, 10227), (1071, 9253), (1197, 8279), (1461, 6783), (2261, 4383), (2907, 3409)]