811537995

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{12739}}^1$

素因数の和:12915

約数の個数: 32

約数和(自身を含む): 1350236160

約数和(自身を除く): 538698165

約数列:

[1, 3, 5, 15, 31, 93, 137, 155, 411, 465, 685, 2055, 4247, 12739, 12741, 21235, 38217, 63695, 63705, 191085, 394909, 1184727, 1745243, 1974545, 5235729, 5923635, 8726215, 26178645, 54102533, 162307599, 270512665, 811537995]

約数ペア:

[(1, 811537995), (3, 270512665), (5, 162307599), (15, 54102533), (31, 26178645), (93, 8726215), (137, 5923635), (155, 5235729), (411, 1974545), (465, 1745243), (685, 1184727), (2055, 394909), (4247, 191085), (12739, 63705), (12741, 63695), (21235, 38217)]