64643103

素因数分解:

$3^5\times 7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 115773840

約数和(自身を除く): 51130737

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 81, 89, 147, 183, 189, 243, 267, 427, 441, 549, 567, 623, 801, 1281, 1323, 1647, 1701, 1869, 2403, 2989, 3843, 3969, 4361, 4941, 5429, 5607, 7209, 8967, 11529, 11907, 13083, 14823, 16287, 16821, 21627, 26901, 34587, 38003, 39249, 48861, 50463, 80703, 103761, 114009, 117747, 146583, 151389, 242109, 266021, 342027, 353241, 439749, 726327, 798063, 1026081, 1059723, 1319247, 2394189, 3078243, 7182567, 9234729, 21547701, 64643103]

約数ペア:

[(1, 64643103), (3, 21547701), (7, 9234729), (9, 7182567), (21, 3078243), (27, 2394189), (49, 1319247), (61, 1059723), (63, 1026081), (81, 798063), (89, 726327), (147, 439749), (183, 353241), (189, 342027), (243, 266021), (267, 242109), (427, 151389), (441, 146583), (549, 117747), (567, 114009), (623, 103761), (801, 80703), (1281, 50463), (1323, 48861), (1647, 39249), (1701, 38003), (1869, 34587), (2403, 26901), (2989, 21627), (3843, 16821), (3969, 16287), (4361, 14823), (4941, 13083), (5429, 11907), (5607, 11529), (7209, 8967)]