2006775

素因数分解:

$3^4\times 5^2\times {\mathrm{991}}^1$

素因数の和:1013

約数の個数: 30

約数和(自身を含む): 3720992

約数和(自身を除く): 1714217

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 991, 2025, 2973, 4955, 8919, 14865, 24775, 26757, 44595, 74325, 80271, 133785, 222975, 401355, 668925, 2006775]

約数ペア:

[(1, 2006775), (3, 668925), (5, 401355), (9, 222975), (15, 133785), (25, 80271), (27, 74325), (45, 44595), (75, 26757), (81, 24775), (135, 14865), (225, 8919), (405, 4955), (675, 2973), (991, 2025)]