128873175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1657}}^1$

素因数の和:1748

約数の個数: 48

約数和(自身を含む): 229440672

約数和(自身を除く): 100567497

約数列:

[1, 3, 5, 15, 17, 25, 51, 61, 75, 85, 183, 255, 305, 425, 915, 1037, 1275, 1525, 1657, 3111, 4575, 4971, 5185, 8285, 15555, 24855, 25925, 28169, 41425, 77775, 84507, 101077, 124275, 140845, 303231, 422535, 505385, 704225, 1516155, 1718309, 2112675, 2526925, 5154927, 7580775, 8591545, 25774635, 42957725, 128873175]

約数ペア:

[(1, 128873175), (3, 42957725), (5, 25774635), (15, 8591545), (17, 7580775), (25, 5154927), (51, 2526925), (61, 2112675), (75, 1718309), (85, 1516155), (183, 704225), (255, 505385), (305, 422535), (425, 303231), (915, 140845), (1037, 124275), (1275, 101077), (1525, 84507), (1657, 77775), (3111, 41425), (4575, 28169), (4971, 25925), (5185, 24855), (8285, 15555)]