406947891

素因数分解:

$3^1\times 7^6\times {\mathrm{1153}}^1$

素因数の和:1198

約数の個数: 28

約数和(自身を含む): 633578312

約数和(自身を除く): 226630421

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1153, 2401, 3459, 7203, 8071, 16807, 24213, 50421, 56497, 117649, 169491, 352947, 395479, 1186437, 2768353, 8305059, 19378471, 58135413, 135649297, 406947891]

約数ペア:

[(1, 406947891), (3, 135649297), (7, 58135413), (21, 19378471), (49, 8305059), (147, 2768353), (343, 1186437), (1029, 395479), (1153, 352947), (2401, 169491), (3459, 117649), (7203, 56497), (8071, 50421), (16807, 24213)]