27750303

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 22246497

約数列:

[1, 3, 7, 9, 21, 27, 29, 61, 63, 83, 87, 183, 189, 203, 249, 261, 427, 549, 581, 609, 747, 783, 1281, 1647, 1743, 1769, 1827, 2241, 2407, 3843, 5063, 5229, 5307, 5481, 7221, 11529, 12383, 15189, 15687, 15921, 16849, 21663, 35441, 37149, 45567, 47763, 50547, 64989, 106323, 111447, 136701, 146827, 151641, 318969, 334341, 440481, 454923, 956907, 1027789, 1321443, 3083367, 3964329, 9250101, 27750303]

約数ペア:

[(1, 27750303), (3, 9250101), (7, 3964329), (9, 3083367), (21, 1321443), (27, 1027789), (29, 956907), (61, 454923), (63, 440481), (83, 334341), (87, 318969), (183, 151641), (189, 146827), (203, 136701), (249, 111447), (261, 106323), (427, 64989), (549, 50547), (581, 47763), (609, 45567), (747, 37149), (783, 35441), (1281, 21663), (1647, 16849), (1743, 15921), (1769, 15687), (1827, 15189), (2241, 12383), (2407, 11529), (3843, 7221), (5063, 5481), (5229, 5307)]