890013825

素因数分解:

$3^4\times 5^2\times {\mathrm{211}}^1\times {\mathrm{2083}}^1$

素因数の和:2316

約数の個数: 60

約数和(自身を含む): 1657221808

約数和(自身を除く): 767207983

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 211, 225, 405, 633, 675, 1055, 1899, 2025, 2083, 3165, 5275, 5697, 6249, 9495, 10415, 15825, 17091, 18747, 28485, 31245, 47475, 52075, 56241, 85455, 93735, 142425, 156225, 168723, 281205, 427275, 439513, 468675, 843615, 1318539, 1406025, 2197565, 3955617, 4218075, 6592695, 10987825, 11866851, 19778085, 32963475, 35600553, 59334255, 98890425, 178002765, 296671275, 890013825]

約数ペア:

[(1, 890013825), (3, 296671275), (5, 178002765), (9, 98890425), (15, 59334255), (25, 35600553), (27, 32963475), (45, 19778085), (75, 11866851), (81, 10987825), (135, 6592695), (211, 4218075), (225, 3955617), (405, 2197565), (633, 1406025), (675, 1318539), (1055, 843615), (1899, 468675), (2025, 439513), (2083, 427275), (3165, 281205), (5275, 168723), (5697, 156225), (6249, 142425), (9495, 93735), (10415, 85455), (15825, 56241), (17091, 52075), (18747, 47475), (28485, 31245)]