77730885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 147507360

約数和(自身を除く): 69776475

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 139, 153, 215, 255, 289, 387, 417, 645, 695, 731, 765, 867, 1251, 1445, 1935, 2085, 2193, 2363, 2601, 3655, 4335, 5977, 6255, 6579, 7089, 10965, 11815, 12427, 13005, 17931, 21267, 29885, 32895, 35445, 37281, 40171, 53793, 62135, 89655, 101609, 106335, 111843, 120513, 186405, 200855, 268965, 304827, 361539, 508045, 559215, 602565, 914481, 1524135, 1727353, 1807695, 4572405, 5182059, 8636765, 15546177, 25910295, 77730885]

約数ペア:

[(1, 77730885), (3, 25910295), (5, 15546177), (9, 8636765), (15, 5182059), (17, 4572405), (43, 1807695), (45, 1727353), (51, 1524135), (85, 914481), (129, 602565), (139, 559215), (153, 508045), (215, 361539), (255, 304827), (289, 268965), (387, 200855), (417, 186405), (645, 120513), (695, 111843), (731, 106335), (765, 101609), (867, 89655), (1251, 62135), (1445, 53793), (1935, 40171), (2085, 37281), (2193, 35445), (2363, 32895), (2601, 29885), (3655, 21267), (4335, 17931), (5977, 13005), (6255, 12427), (6579, 11815), (7089, 10965)]