68615145

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 126781200

約数和(自身を除く): 58166055

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 257, 349, 765, 771, 1047, 1285, 1745, 2313, 3141, 3855, 4369, 5235, 5933, 11565, 13107, 15705, 17799, 21845, 29665, 39321, 53397, 65535, 88995, 89693, 196605, 266985, 269079, 448465, 807237, 1345395, 1524781, 4036185, 4574343, 7623905, 13723029, 22871715, 68615145]

約数ペア:

[(1, 68615145), (3, 22871715), (5, 13723029), (9, 7623905), (15, 4574343), (17, 4036185), (45, 1524781), (51, 1345395), (85, 807237), (153, 448465), (255, 269079), (257, 266985), (349, 196605), (765, 89693), (771, 88995), (1047, 65535), (1285, 53397), (1745, 39321), (2313, 29665), (3141, 21845), (3855, 17799), (4369, 15705), (5235, 13107), (5933, 11565)]