65391921

素因数分解:

$3^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 118272000

約数和(自身を除く): 52880079

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 307, 343, 441, 483, 621, 921, 1029, 1127, 1323, 1449, 2149, 2763, 3087, 3381, 4347, 6447, 7061, 7889, 8289, 9261, 10143, 15043, 19341, 21183, 23667, 30429, 45129, 49427, 58023, 63549, 71001, 105301, 135387, 148281, 190647, 213003, 315903, 345989, 406161, 444843, 947709, 1037967, 1334529, 2421923, 2843127, 3113901, 7265769, 9341703, 21797307, 65391921]

約数ペア:

[(1, 65391921), (3, 21797307), (7, 9341703), (9, 7265769), (21, 3113901), (23, 2843127), (27, 2421923), (49, 1334529), (63, 1037967), (69, 947709), (147, 444843), (161, 406161), (189, 345989), (207, 315903), (307, 213003), (343, 190647), (441, 148281), (483, 135387), (621, 105301), (921, 71001), (1029, 63549), (1127, 58023), (1323, 49427), (1449, 45129), (2149, 30429), (2763, 23667), (3087, 21183), (3381, 19341), (4347, 15043), (6447, 10143), (7061, 9261), (7889, 8289)]