29940813

素因数分解:

$3^3\times 7^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 53568000

約数和(自身を除く): 23627187

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 61, 63, 147, 159, 183, 189, 343, 371, 427, 441, 477, 549, 1029, 1113, 1281, 1323, 1431, 1647, 2597, 2989, 3087, 3233, 3339, 3843, 7791, 8967, 9261, 9699, 10017, 11529, 18179, 20923, 22631, 23373, 26901, 29097, 54537, 62769, 67893, 70119, 80703, 87291, 158417, 163611, 188307, 203679, 475251, 490833, 564921, 611037, 1108919, 1425753, 3326757, 4277259, 9980271, 29940813]

約数ペア:

[(1, 29940813), (3, 9980271), (7, 4277259), (9, 3326757), (21, 1425753), (27, 1108919), (49, 611037), (53, 564921), (61, 490833), (63, 475251), (147, 203679), (159, 188307), (183, 163611), (189, 158417), (343, 87291), (371, 80703), (427, 70119), (441, 67893), (477, 62769), (549, 54537), (1029, 29097), (1113, 26901), (1281, 23373), (1323, 22631), (1431, 20923), (1647, 18179), (2597, 11529), (2989, 10017), (3087, 9699), (3233, 9261), (3339, 8967), (3843, 7791)]