9905973

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 18094080

約数和(自身を除く): 8188107

約数列:

[1, 3, 7, 11, 19, 21, 33, 37, 57, 61, 77, 111, 133, 183, 209, 231, 259, 399, 407, 427, 627, 671, 703, 777, 1159, 1221, 1281, 1463, 2013, 2109, 2257, 2849, 3477, 4389, 4697, 4921, 6771, 7733, 8113, 8547, 12749, 14091, 14763, 15799, 23199, 24339, 24827, 38247, 42883, 47397, 54131, 74481, 89243, 128649, 162393, 173789, 267729, 300181, 471713, 521367, 900543, 1415139, 3301991, 9905973]

約数ペア:

[(1, 9905973), (3, 3301991), (7, 1415139), (11, 900543), (19, 521367), (21, 471713), (33, 300181), (37, 267729), (57, 173789), (61, 162393), (77, 128649), (111, 89243), (133, 74481), (183, 54131), (209, 47397), (231, 42883), (259, 38247), (399, 24827), (407, 24339), (427, 23199), (627, 15799), (671, 14763), (703, 14091), (777, 12749), (1159, 8547), (1221, 8113), (1281, 7733), (1463, 6771), (2013, 4921), (2109, 4697), (2257, 4389), (2849, 3477)]