7777307979

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{248389}}^1$

素因数の和:248480

約数の個数: 36

約数和(自身を含む): 13252103280

約数和(自身を除く): 5474795301

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 4473, 10437, 31311, 248389, 745167, 1738723, 2235501, 5216169, 12171061, 15648507, 17635619, 36513183, 52906857, 109539549, 123449333, 158720571, 370347999, 864145331, 1111043997, 2592435993, 7777307979]

約数ペア:

[(1, 7777307979), (3, 2592435993), (7, 1111043997), (9, 864145331), (21, 370347999), (49, 158720571), (63, 123449333), (71, 109539549), (147, 52906857), (213, 36513183), (441, 17635619), (497, 15648507), (639, 12171061), (1491, 5216169), (3479, 2235501), (4473, 1738723), (10437, 745167), (31311, 248389)]