28130325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22063}}^1$

素因数の和:22093

約数の個数: 24

約数和(自身を含む): 49246848

約数和(自身を除く): 21116523

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22063, 66189, 110315, 330945, 375071, 551575, 1125213, 1654725, 1875355, 5626065, 9376775, 28130325]

約数ペア:

[(1, 28130325), (3, 9376775), (5, 5626065), (15, 1875355), (17, 1654725), (25, 1125213), (51, 551575), (75, 375071), (85, 330945), (255, 110315), (425, 66189), (1275, 22063)]