287256537

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1291}}^1$

素因数の和:1411

約数の個数: 40

約数和(自身を含む): 446484192

約数和(自身を除く): 159227655

約数列:

[1, 3, 9, 27, 41, 67, 81, 123, 201, 369, 603, 1107, 1291, 1809, 2747, 3321, 3873, 5427, 8241, 11619, 24723, 34857, 52931, 74169, 86497, 104571, 158793, 222507, 259491, 476379, 778473, 1429137, 2335419, 3546377, 4287411, 7006257, 10639131, 31917393, 95752179, 287256537]

約数ペア:

[(1, 287256537), (3, 95752179), (9, 31917393), (27, 10639131), (41, 7006257), (67, 4287411), (81, 3546377), (123, 2335419), (201, 1429137), (369, 778473), (603, 476379), (1107, 259491), (1291, 222507), (1809, 158793), (2747, 104571), (3321, 86497), (3873, 74169), (5427, 52931), (8241, 34857), (11619, 24723)]