69720777

素因数分解:

$3^3\times 7^2\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 121296000

約数和(自身を除く): 51575223

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 151, 189, 349, 441, 453, 1047, 1057, 1323, 1359, 2443, 3141, 3171, 4077, 7329, 7399, 9423, 9513, 17101, 21987, 22197, 28539, 51303, 52699, 65961, 66591, 153909, 158097, 199773, 368893, 461727, 474291, 1106679, 1422873, 2582251, 3320037, 7746753, 9960111, 23240259, 69720777]

約数ペア:

[(1, 69720777), (3, 23240259), (7, 9960111), (9, 7746753), (21, 3320037), (27, 2582251), (49, 1422873), (63, 1106679), (147, 474291), (151, 461727), (189, 368893), (349, 199773), (441, 158097), (453, 153909), (1047, 66591), (1057, 65961), (1323, 52699), (1359, 51303), (2443, 28539), (3141, 22197), (3171, 21987), (4077, 17101), (7329, 9513), (7399, 9423)]