155293257

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 240804864

約数和(自身を除く): 85511607

約数列:

[1, 3, 7, 21, 101, 211, 303, 347, 633, 707, 1041, 1477, 2121, 2429, 4431, 7287, 21311, 35047, 63933, 73217, 105141, 149177, 219651, 245329, 447531, 512519, 735987, 1537557, 7394917, 22184751, 51764419, 155293257]

約数ペア:

[(1, 155293257), (3, 51764419), (7, 22184751), (21, 7394917), (101, 1537557), (211, 735987), (303, 512519), (347, 447531), (633, 245329), (707, 219651), (1041, 149177), (1477, 105141), (2121, 73217), (2429, 63933), (4431, 35047), (7287, 21311)]