31613967

素因数分解:

$3^2\times 7^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 61176960

約数和(自身を除く): 29562993

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 49, 57, 63, 77, 99, 133, 147, 171, 209, 231, 343, 399, 441, 539, 627, 693, 931, 1029, 1197, 1463, 1617, 1881, 2401, 2793, 3087, 3773, 4389, 4851, 6517, 7203, 8379, 10241, 11319, 13167, 16807, 19551, 21609, 26411, 30723, 33957, 45619, 50421, 58653, 71687, 79233, 92169, 136857, 151263, 184877, 215061, 237699, 319333, 410571, 501809, 554631, 645183, 957999, 1505427, 1663893, 2873997, 3512663, 4516281, 10537989, 31613967]

約数ペア:

[(1, 31613967), (3, 10537989), (7, 4516281), (9, 3512663), (11, 2873997), (19, 1663893), (21, 1505427), (33, 957999), (49, 645183), (57, 554631), (63, 501809), (77, 410571), (99, 319333), (133, 237699), (147, 215061), (171, 184877), (209, 151263), (231, 136857), (343, 92169), (399, 79233), (441, 71687), (539, 58653), (627, 50421), (693, 45619), (931, 33957), (1029, 30723), (1197, 26411), (1463, 21609), (1617, 19551), (1881, 16807), (2401, 13167), (2793, 11319), (3087, 10241), (3773, 8379), (4389, 7203), (4851, 6517)]