221407318587

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1\times {\mathrm{22973}}^1$

素因数の和:23860

約数の個数: 64

約数和(自身を含む): 372253787136

約数和(自身を除く): 150846468549

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 821, 903, 1677, 2463, 3913, 5747, 10673, 11739, 17241, 22973, 32019, 35303, 68919, 74711, 105909, 160811, 224133, 247121, 298649, 458939, 482433, 741363, 895947, 987839, 1376817, 2090543, 2963517, 3212573, 6271629, 6914873, 9637719, 12841907, 18860833, 20744619, 38525721, 56582499, 89893349, 132025831, 245190829, 269680047, 396077493, 735572487, 811015819, 1716335803, 2433047457, 5149007409, 5677110733, 10543205647, 17031332199, 31629616941, 73802439529, 221407318587]

約数ペア:

[(1, 221407318587), (3, 73802439529), (7, 31629616941), (13, 17031332199), (21, 10543205647), (39, 5677110733), (43, 5149007409), (91, 2433047457), (129, 1716335803), (273, 811015819), (301, 735572487), (559, 396077493), (821, 269680047), (903, 245190829), (1677, 132025831), (2463, 89893349), (3913, 56582499), (5747, 38525721), (10673, 20744619), (11739, 18860833), (17241, 12841907), (22973, 9637719), (32019, 6914873), (35303, 6271629), (68919, 3212573), (74711, 2963517), (105909, 2090543), (160811, 1376817), (224133, 987839), (247121, 895947), (298649, 741363), (458939, 482433)]