30978075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21739}}^1$

素因数の和:21771

約数の個数: 24

約数和(自身を含む): 53915200

約数和(自身を除く): 22937125

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 21739, 65217, 108695, 326085, 413041, 543475, 1239123, 1630425, 2065205, 6195615, 10326025, 30978075]

約数ペア:

[(1, 30978075), (3, 10326025), (5, 6195615), (15, 2065205), (19, 1630425), (25, 1239123), (57, 543475), (75, 413041), (95, 326085), (285, 108695), (475, 65217), (1425, 21739)]