780129

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 36

約数和(自身を含む): 1378260

約数和(自身を除く): 598131

約数列:

[1, 3, 7, 9, 21, 29, 49, 61, 63, 87, 147, 183, 203, 261, 427, 441, 549, 609, 1281, 1421, 1769, 1827, 2989, 3843, 4263, 5307, 8967, 12383, 12789, 15921, 26901, 37149, 86681, 111447, 260043, 780129]

約数ペア:

[(1, 780129), (3, 260043), (7, 111447), (9, 86681), (21, 37149), (29, 26901), (49, 15921), (61, 12789), (63, 12383), (87, 8967), (147, 5307), (183, 4263), (203, 3843), (261, 2989), (427, 1827), (441, 1769), (549, 1421), (609, 1281)]