74879985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6829}}^1$

素因数の和:6897

約数の個数: 32

約数和(自身を含む): 129824640

約数和(自身を除く): 54944655

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 6829, 10965, 20487, 34145, 102435, 116093, 293647, 348279, 580465, 880941, 1468235, 1741395, 4404705, 4991999, 14975997, 24959995, 74879985]

約数ペア:

[(1, 74879985), (3, 24959995), (5, 14975997), (15, 4991999), (17, 4404705), (43, 1741395), (51, 1468235), (85, 880941), (129, 580465), (215, 348279), (255, 293647), (645, 116093), (731, 102435), (2193, 34145), (3655, 20487), (6829, 10965)]