20161819917

素因数分解:

$3^4\times {\mathrm{2707}}^1\times {\mathrm{91951}}^1$

素因数の和:94670

約数の個数: 20

約数和(自身を含む): 30129727936

約数和(自身を除く): 9967908019

約数列:

[1, 3, 9, 27, 81, 2707, 8121, 24363, 73089, 91951, 219267, 275853, 827559, 2482677, 7448031, 248911357, 746734071, 2240202213, 6720606639, 20161819917]

約数ペア:

[(1, 20161819917), (3, 6720606639), (9, 2240202213), (27, 746734071), (81, 248911357), (2707, 7448031), (8121, 2482677), (24363, 827559), (73089, 275853), (91951, 219267)]