64761291

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 117374400

約数和(自身を除く): 52613109

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 59, 63, 131, 133, 147, 171, 177, 393, 399, 413, 441, 531, 917, 931, 1121, 1179, 1197, 1239, 2489, 2751, 2793, 2891, 3363, 3717, 6419, 7467, 7729, 7847, 8253, 8379, 8673, 10089, 17423, 19257, 22401, 23187, 23541, 26019, 52269, 54103, 54929, 57771, 69561, 70623, 121961, 146851, 156807, 162309, 164787, 365883, 378721, 440553, 486927, 494361, 1027957, 1097649, 1136163, 1321659, 3083871, 3408489, 7195699, 9251613, 21587097, 64761291]

約数ペア:

[(1, 64761291), (3, 21587097), (7, 9251613), (9, 7195699), (19, 3408489), (21, 3083871), (49, 1321659), (57, 1136163), (59, 1097649), (63, 1027957), (131, 494361), (133, 486927), (147, 440553), (171, 378721), (177, 365883), (393, 164787), (399, 162309), (413, 156807), (441, 146851), (531, 121961), (917, 70623), (931, 69561), (1121, 57771), (1179, 54929), (1197, 54103), (1239, 52269), (2489, 26019), (2751, 23541), (2793, 23187), (2891, 22401), (3363, 19257), (3717, 17423), (6419, 10089), (7467, 8673), (7729, 8379), (7847, 8253)]