2220561

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 3891200

約数和(自身を除く): 1670639

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 379, 651, 837, 1137, 1953, 2653, 3411, 5859, 7959, 10233, 11749, 23877, 35247, 71631, 82243, 105741, 246729, 317223, 740187, 2220561]

約数ペア:

[(1, 2220561), (3, 740187), (7, 317223), (9, 246729), (21, 105741), (27, 82243), (31, 71631), (63, 35247), (93, 23877), (189, 11749), (217, 10233), (279, 7959), (379, 5859), (651, 3411), (837, 2653), (1137, 1953)]