90870015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{773}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 154478016

約数和(自身を除く): 63608001

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 461, 773, 1383, 2305, 2319, 3865, 6915, 7837, 11595, 13141, 23511, 39185, 39423, 65705, 117555, 197115, 356353, 1069059, 1781765, 5345295, 6058001, 18174003, 30290005, 90870015]

約数ペア:

[(1, 90870015), (3, 30290005), (5, 18174003), (15, 6058001), (17, 5345295), (51, 1781765), (85, 1069059), (255, 356353), (461, 197115), (773, 117555), (1383, 65705), (2305, 39423), (2319, 39185), (3865, 23511), (6915, 13141), (7837, 11595)]