619870647

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 914006016

約数和(自身を除く): 294135369

約数列:

[1, 3, 11, 33, 131, 223, 393, 643, 669, 1441, 1929, 2453, 4323, 7073, 7359, 21219, 29213, 84233, 87639, 143389, 252699, 321343, 430167, 926563, 964029, 1577279, 2779689, 4731837, 18783959, 56351877, 206623549, 619870647]

約数ペア:

[(1, 619870647), (3, 206623549), (11, 56351877), (33, 18783959), (131, 4731837), (223, 2779689), (393, 1577279), (643, 964029), (669, 926563), (1441, 430167), (1929, 321343), (2453, 252699), (4323, 143389), (7073, 87639), (7359, 84233), (21219, 29213)]