2340387

素因数分解:

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

素因数の和:113

約数の個数: 48

約数和(自身を含む): 4240800

約数和(自身を除く): 1900413

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 61, 63, 87, 147, 183, 189, 203, 261, 427, 441, 549, 609, 783, 1281, 1323, 1421, 1647, 1769, 1827, 2989, 3843, 4263, 5307, 5481, 8967, 11529, 12383, 12789, 15921, 26901, 37149, 38367, 47763, 80703, 86681, 111447, 260043, 334341, 780129, 2340387]

約数ペア:

[(1, 2340387), (3, 780129), (7, 334341), (9, 260043), (21, 111447), (27, 86681), (29, 80703), (49, 47763), (61, 38367), (63, 37149), (87, 26901), (147, 15921), (183, 12789), (189, 12383), (203, 11529), (261, 8967), (427, 5481), (441, 5307), (549, 4263), (609, 3843), (783, 2989), (1281, 1827), (1323, 1769), (1421, 1647)]