15696816009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1\times {\mathrm{18461}}^1$

素因数の和:20621

約数の個数: 32

約数和(自身を含む): 25191029760

約数和(自身を除く): 9494213751

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2131, 6393, 14917, 18461, 40489, 44751, 55383, 121467, 129227, 283423, 350759, 387681, 850269, 1052277, 2455313, 7365939, 39340391, 118021173, 275382737, 747467429, 826148211, 2242402287, 5232272003, 15696816009]

約数ペア:

[(1, 15696816009), (3, 5232272003), (7, 2242402287), (19, 826148211), (21, 747467429), (57, 275382737), (133, 118021173), (399, 39340391), (2131, 7365939), (6393, 2455313), (14917, 1052277), (18461, 850269), (40489, 387681), (44751, 350759), (55383, 283423), (121467, 129227)]