147940821

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{123593}}^1$

素因数の和:123625

約数の個数: 24

約数和(自身を含む): 257075520

約数和(自身を除く): 109134699

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 123593, 370779, 865151, 1112337, 2348267, 2595453, 7044801, 7786359, 16437869, 21134403, 49313607, 147940821]

約数ペア:

[(1, 147940821), (3, 49313607), (7, 21134403), (9, 16437869), (19, 7786359), (21, 7044801), (57, 2595453), (63, 2348267), (133, 1112337), (171, 865151), (399, 370779), (1197, 123593)]