20121577749

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{599231}}^1$

素因数の和:599298

約数の個数: 48

約数和(自身を含む): 36644235264

約数和(自身を除く): 16522657515

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 91, 117, 123, 273, 287, 369, 533, 819, 861, 1599, 2583, 3731, 4797, 11193, 33579, 599231, 1797693, 4194617, 5393079, 7790003, 12583851, 23370009, 24568471, 37751553, 54530021, 70110027, 73705413, 163590063, 171979297, 221116239, 319390123, 490770189, 515937891, 958170369, 1547813673, 2235730861, 2874511107, 6707192583, 20121577749]

約数ペア:

[(1, 20121577749), (3, 6707192583), (7, 2874511107), (9, 2235730861), (13, 1547813673), (21, 958170369), (39, 515937891), (41, 490770189), (63, 319390123), (91, 221116239), (117, 171979297), (123, 163590063), (273, 73705413), (287, 70110027), (369, 54530021), (533, 37751553), (819, 24568471), (861, 23370009), (1599, 12583851), (2583, 7790003), (3731, 5393079), (4797, 4194617), (11193, 1797693), (33579, 599231)]