140385

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{191}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 262656

約数和(自身を除く): 122271

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 191, 245, 573, 735, 955, 1337, 2865, 4011, 6685, 9359, 20055, 28077, 46795, 140385]

約数ペア:

[(1, 140385), (3, 46795), (5, 28077), (7, 20055), (15, 9359), (21, 6685), (35, 4011), (49, 2865), (105, 1337), (147, 955), (191, 735), (245, 573)]