83720301

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 131186688

約数和(自身を除く): 47466387

約数列:

[1, 3, 7, 21, 47, 141, 271, 313, 329, 813, 939, 987, 1897, 2191, 5691, 6573, 12737, 14711, 38211, 44133, 84823, 89159, 102977, 254469, 267477, 308931, 593761, 1781283, 3986681, 11960043, 27906767, 83720301]

約数ペア:

[(1, 83720301), (3, 27906767), (7, 11960043), (21, 3986681), (47, 1781283), (141, 593761), (271, 308931), (313, 267477), (329, 254469), (813, 102977), (939, 89159), (987, 84823), (1897, 44133), (2191, 38211), (5691, 14711), (6573, 12737)]