7021161

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 60

約数和(自身を含む): 12828420

約数和(自身を除く): 5807259

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 61, 63, 81, 87, 147, 183, 189, 203, 261, 427, 441, 549, 567, 609, 783, 1281, 1323, 1421, 1647, 1769, 1827, 2349, 2989, 3843, 3969, 4263, 4941, 5307, 5481, 8967, 11529, 12383, 12789, 15921, 16443, 26901, 34587, 37149, 38367, 47763, 80703, 86681, 111447, 115101, 143289, 242109, 260043, 334341, 780129, 1003023, 2340387, 7021161]

約数ペア:

[(1, 7021161), (3, 2340387), (7, 1003023), (9, 780129), (21, 334341), (27, 260043), (29, 242109), (49, 143289), (61, 115101), (63, 111447), (81, 86681), (87, 80703), (147, 47763), (183, 38367), (189, 37149), (203, 34587), (261, 26901), (427, 16443), (441, 15921), (549, 12789), (567, 12383), (609, 11529), (783, 8967), (1281, 5481), (1323, 5307), (1421, 4941), (1647, 4263), (1769, 3969), (1827, 3843), (2349, 2989)]