220961898

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{20771}}^1$

素因数の和:20979

約数の個数: 32

約数和(自身を含む): 493542720

約数和(自身を除く): 272580822

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1773, 3546, 5319, 10638, 20771, 41542, 62313, 124626, 186939, 373878, 560817, 1121634, 4091887, 8183774, 12275661, 24551322, 36826983, 73653966, 110480949, 220961898]

約数ペア:

[(1, 220961898), (2, 110480949), (3, 73653966), (6, 36826983), (9, 24551322), (18, 12275661), (27, 8183774), (54, 4091887), (197, 1121634), (394, 560817), (591, 373878), (1182, 186939), (1773, 124626), (3546, 62313), (5319, 41542), (10638, 20771)]