61878555

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 116049024

約数和(自身を除く): 54170469

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 705, 765, 799, 1721, 2115, 2397, 3995, 5163, 7191, 8605, 11985, 15489, 25815, 29257, 35955, 77445, 80887, 87771, 146285, 242661, 263313, 404435, 438855, 727983, 1213305, 1316565, 1375079, 3639915, 4125237, 6875395, 12375711, 20626185, 61878555]

約数ペア:

[(1, 61878555), (3, 20626185), (5, 12375711), (9, 6875395), (15, 4125237), (17, 3639915), (45, 1375079), (47, 1316565), (51, 1213305), (85, 727983), (141, 438855), (153, 404435), (235, 263313), (255, 242661), (423, 146285), (705, 87771), (765, 80887), (799, 77445), (1721, 35955), (2115, 29257), (2397, 25815), (3995, 15489), (5163, 11985), (7191, 8605)]