289357551

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 486420480

約数和(自身を除く): 197062929

約数列:

[1, 3, 7, 9, 21, 63, 139, 173, 191, 417, 519, 573, 973, 1211, 1251, 1337, 1557, 1719, 2919, 3633, 4011, 8757, 10899, 12033, 24047, 26549, 33043, 72141, 79647, 99129, 168329, 185843, 216423, 231301, 238941, 297387, 504987, 557529, 693903, 1514961, 1672587, 2081709, 4592977, 13778931, 32150839, 41336793, 96452517, 289357551]

約数ペア:

[(1, 289357551), (3, 96452517), (7, 41336793), (9, 32150839), (21, 13778931), (63, 4592977), (139, 2081709), (173, 1672587), (191, 1514961), (417, 693903), (519, 557529), (573, 504987), (973, 297387), (1211, 238941), (1251, 231301), (1337, 216423), (1557, 185843), (1719, 168329), (2919, 99129), (3633, 79647), (4011, 72141), (8757, 33043), (10899, 26549), (12033, 24047)]