2450007

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 4356000

約数和(自身を除く): 1905993

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 149, 189, 203, 261, 447, 567, 609, 783, 1043, 1341, 1827, 2349, 3129, 4023, 4321, 5481, 9387, 12069, 12963, 16443, 28161, 30247, 38889, 84483, 90741, 116667, 272223, 350001, 816669, 2450007]

約数ペア:

[(1, 2450007), (3, 816669), (7, 350001), (9, 272223), (21, 116667), (27, 90741), (29, 84483), (63, 38889), (81, 30247), (87, 28161), (149, 16443), (189, 12963), (203, 12069), (261, 9387), (447, 5481), (567, 4321), (609, 4023), (783, 3129), (1043, 2349), (1341, 1827)]