978012873

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{863}}^1$

素因数の和:1715

約数の個数: 40

約数和(自身を含む): 1550596608

約数和(自身を除く): 572583735

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 823, 863, 1377, 2469, 2589, 7407, 7767, 13991, 14671, 22221, 23301, 41973, 44013, 66663, 69903, 125919, 132039, 377757, 396117, 710249, 1133271, 1188351, 2130747, 6392241, 12074233, 19176723, 36222699, 57530169, 108668097, 326004291, 978012873]

約数ペア:

[(1, 978012873), (3, 326004291), (9, 108668097), (17, 57530169), (27, 36222699), (51, 19176723), (81, 12074233), (153, 6392241), (459, 2130747), (823, 1188351), (863, 1133271), (1377, 710249), (2469, 396117), (2589, 377757), (7407, 132039), (7767, 125919), (13991, 69903), (14671, 66663), (22221, 44013), (23301, 41973)]