158560821

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 243936000

約数和(自身を除く): 85375179

約数列:

[1, 3, 9, 27, 71, 79, 81, 213, 237, 349, 639, 711, 1047, 1917, 2133, 3141, 5609, 5751, 6399, 9423, 16827, 24779, 27571, 28269, 50481, 74337, 82713, 151443, 223011, 248139, 454329, 669033, 744417, 1957541, 2007099, 2233251, 5872623, 17617869, 52853607, 158560821]

約数ペア:

[(1, 158560821), (3, 52853607), (9, 17617869), (27, 5872623), (71, 2233251), (79, 2007099), (81, 1957541), (213, 744417), (237, 669033), (349, 454329), (639, 248139), (711, 223011), (1047, 151443), (1917, 82713), (2133, 74337), (3141, 50481), (5609, 28269), (5751, 27571), (6399, 24779), (9423, 16827)]