247907955

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{1061}}^1$

素因数の和:1527

約数の個数: 32

約数和(自身を含む): 408725568

約数和(自身を除く): 160817613

約数列:

[1, 3, 5, 15, 37, 111, 185, 421, 555, 1061, 1263, 2105, 3183, 5305, 6315, 15577, 15915, 39257, 46731, 77885, 117771, 196285, 233655, 446681, 588855, 1340043, 2233405, 6700215, 16527197, 49581591, 82635985, 247907955]

約数ペア:

[(1, 247907955), (3, 82635985), (5, 49581591), (15, 16527197), (37, 6700215), (111, 2233405), (185, 1340043), (421, 588855), (555, 446681), (1061, 233655), (1263, 196285), (2105, 117771), (3183, 77885), (5305, 46731), (6315, 39257), (15577, 15915)]