621507939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{761}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 916253184

約数和(自身を除く): 294745245

約数列:

[1, 3, 13, 39, 43, 129, 487, 559, 761, 1461, 1677, 2283, 6331, 9893, 18993, 20941, 29679, 32723, 62823, 98169, 272233, 370607, 425399, 816699, 1111821, 1276197, 4817891, 14453673, 15936101, 47808303, 207169313, 621507939]

約数ペア:

[(1, 621507939), (3, 207169313), (13, 47808303), (39, 15936101), (43, 14453673), (129, 4817891), (487, 1276197), (559, 1111821), (761, 816699), (1461, 425399), (1677, 370607), (2283, 272233), (6331, 98169), (9893, 62823), (18993, 32723), (20941, 29679)]