18158685

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 12254115

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 599, 645, 705, 1797, 2021, 2995, 6063, 8985, 10105, 25757, 28153, 30315, 77271, 84459, 128785, 140765, 386355, 422295, 1210579, 3631737, 6052895, 18158685]

約数ペア:

[(1, 18158685), (3, 6052895), (5, 3631737), (15, 1210579), (43, 422295), (47, 386355), (129, 140765), (141, 128785), (215, 84459), (235, 77271), (599, 30315), (645, 28153), (705, 25757), (1797, 10105), (2021, 8985), (2995, 6063)]