28007133

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 46835712

約数和(自身を除く): 18828579

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 263, 461, 789, 1383, 1841, 2893, 3227, 5071, 5523, 8679, 9681, 15213, 20251, 35497, 60753, 106491, 121243, 363729, 848701, 1333673, 2546103, 4001019, 9335711, 28007133]

約数ペア:

[(1, 28007133), (3, 9335711), (7, 4001019), (11, 2546103), (21, 1333673), (33, 848701), (77, 363729), (231, 121243), (263, 106491), (461, 60753), (789, 35497), (1383, 20251), (1841, 15213), (2893, 9681), (3227, 8679), (5071, 5523)]