253215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 466128

約数和(自身を除く): 212913

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 331, 765, 993, 1655, 2979, 4965, 5627, 14895, 16881, 28135, 50643, 84405, 253215]

約数ペア:

[(1, 253215), (3, 84405), (5, 50643), (9, 28135), (15, 16881), (17, 14895), (45, 5627), (51, 4965), (85, 2979), (153, 1655), (255, 993), (331, 765)]