1280961

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 2188800

約数和(自身を除く): 907839

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 227, 297, 513, 627, 681, 1881, 2043, 2497, 4313, 5643, 6129, 7491, 12939, 22473, 38817, 47443, 67419, 116451, 142329, 426987, 1280961]

約数ペア:

[(1, 1280961), (3, 426987), (9, 142329), (11, 116451), (19, 67419), (27, 47443), (33, 38817), (57, 22473), (99, 12939), (171, 7491), (209, 6129), (227, 5643), (297, 4313), (513, 2497), (627, 2043), (681, 1881)]