30890985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 20810775

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 1019, 2021, 3057, 5095, 6063, 10105, 15285, 30315, 43817, 47893, 131451, 143679, 219085, 239465, 657255, 718395, 2059399, 6178197, 10296995, 30890985]

約数ペア:

[(1, 30890985), (3, 10296995), (5, 6178197), (15, 2059399), (43, 718395), (47, 657255), (129, 239465), (141, 219085), (215, 143679), (235, 131451), (645, 47893), (705, 43817), (1019, 30315), (2021, 15285), (3057, 10105), (5095, 6063)]