1721054187

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{1601}}^1\times {\mathrm{3853}}^1$

素因数の和:5491

約数の個数: 24

約数和(自身を含む): 2568428928

約数和(自身を除く): 847374741

約数列:

[1, 3, 9, 31, 93, 279, 1601, 3853, 4803, 11559, 14409, 34677, 49631, 119443, 148893, 358329, 446679, 1074987, 6168653, 18505959, 55517877, 191228243, 573684729, 1721054187]

約数ペア:

[(1, 1721054187), (3, 573684729), (9, 191228243), (31, 55517877), (93, 18505959), (279, 6168653), (1601, 1074987), (3853, 446679), (4803, 358329), (11559, 148893), (14409, 119443), (34677, 49631)]