428072193

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{661}}^1\times {\mathrm{1531}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 632850816

約数和(自身を除く): 204778623

約数列:

[1, 3, 9, 47, 141, 423, 661, 1531, 1983, 4593, 5949, 13779, 31067, 71957, 93201, 215871, 279603, 647613, 1011991, 3035973, 9107919, 47563577, 142690731, 428072193]

約数ペア:

[(1, 428072193), (3, 142690731), (9, 47563577), (47, 9107919), (141, 3035973), (423, 1011991), (661, 647613), (1531, 279603), (1983, 215871), (4593, 93201), (5949, 71957), (13779, 31067)]