65221905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 126074880

約数和(自身を除く): 60852975

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 113, 115, 161, 239, 339, 345, 483, 565, 717, 791, 805, 1195, 1673, 1695, 2373, 2415, 2599, 3585, 3955, 5019, 5497, 7797, 8365, 11865, 12995, 16491, 18193, 25095, 27007, 27485, 38479, 38985, 54579, 81021, 82455, 90965, 115437, 135035, 189049, 192395, 272895, 405105, 567147, 577185, 621161, 945245, 1863483, 2835735, 3105805, 4348127, 9317415, 13044381, 21740635, 65221905]

約数ペア:

[(1, 65221905), (3, 21740635), (5, 13044381), (7, 9317415), (15, 4348127), (21, 3105805), (23, 2835735), (35, 1863483), (69, 945245), (105, 621161), (113, 577185), (115, 567147), (161, 405105), (239, 272895), (339, 192395), (345, 189049), (483, 135035), (565, 115437), (717, 90965), (791, 82455), (805, 81021), (1195, 54579), (1673, 38985), (1695, 38479), (2373, 27485), (2415, 27007), (2599, 25095), (3585, 18193), (3955, 16491), (5019, 12995), (5497, 11865), (7797, 8365)]