210819975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{165349}}^1$

素因数の和:165379

約数の個数: 24

約数和(自身を含む): 369061200

約数和(自身を除く): 158241225

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 165349, 496047, 826745, 2480235, 2810933, 4133725, 8432799, 12401175, 14054665, 42163995, 70273325, 210819975]

約数ペア:

[(1, 210819975), (3, 70273325), (5, 42163995), (15, 14054665), (17, 12401175), (25, 8432799), (51, 4133725), (75, 2810933), (85, 2480235), (255, 826745), (425, 496047), (1275, 165349)]