637936641

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{69697}}^1$

素因数の和:69822

約数の個数: 20

約数和(自身を含む): 961414212

約数和(自身を除く): 323477571

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 3051, 9153, 69697, 209091, 627273, 1881819, 5645457, 7875761, 23627283, 70881849, 212645547, 637936641]

約数ペア:

[(1, 637936641), (3, 212645547), (9, 70881849), (27, 23627283), (81, 7875761), (113, 5645457), (339, 1881819), (1017, 627273), (3051, 209091), (9153, 69697)]