2018925

素因数分解:

$3^4\times 5^2\times {\mathrm{997}}^1$

素因数の和:1019

約数の個数: 30

約数和(自身を含む): 3743498

約数和(自身を除く): 1724573

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 997, 2025, 2991, 4985, 8973, 14955, 24925, 26919, 44865, 74775, 80757, 134595, 224325, 403785, 672975, 2018925]

約数ペア:

[(1, 2018925), (3, 672975), (5, 403785), (9, 224325), (15, 134595), (25, 80757), (27, 74775), (45, 44865), (75, 26919), (81, 24925), (135, 14955), (225, 8973), (405, 4985), (675, 2991), (997, 2025)]