258988149

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3061}}^1$

素因数の和:3170

約数の個数: 48

約数和(自身を含む): 458565120

約数和(自身を除く): 199576971

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 79, 119, 153, 237, 357, 553, 711, 1071, 1343, 1659, 3061, 4029, 4977, 9183, 9401, 12087, 21427, 27549, 28203, 52037, 64281, 84609, 156111, 192843, 241819, 364259, 468333, 725457, 1092777, 1692733, 2176371, 3278331, 4110923, 5078199, 12332769, 15234597, 28776461, 36998307, 86329383, 258988149]

約数ペア:

[(1, 258988149), (3, 86329383), (7, 36998307), (9, 28776461), (17, 15234597), (21, 12332769), (51, 5078199), (63, 4110923), (79, 3278331), (119, 2176371), (153, 1692733), (237, 1092777), (357, 725457), (553, 468333), (711, 364259), (1071, 241819), (1343, 192843), (1659, 156111), (3061, 84609), (4029, 64281), (4977, 52037), (9183, 28203), (9401, 27549), (12087, 21427)]