2780325

素因数分解:

$3^4\times 5^2\times {\mathrm{1373}}^1$

素因数の和:1395

約数の個数: 30

約数和(自身を含む): 5153874

約数和(自身を除く): 2373549

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 1373, 2025, 4119, 6865, 12357, 20595, 34325, 37071, 61785, 102975, 111213, 185355, 308925, 556065, 926775, 2780325]

約数ペア:

[(1, 2780325), (3, 926775), (5, 556065), (9, 308925), (15, 185355), (25, 111213), (27, 102975), (45, 61785), (75, 37071), (81, 34325), (135, 20595), (225, 12357), (405, 6865), (675, 4119), (1373, 2025)]