2728809

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:642

約数の個数: 20

約数和(自身を含む): 4152720

約数和(自身を除く): 1423911

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 571, 1593, 1713, 4779, 5139, 15417, 33689, 46251, 101067, 303201, 909603, 2728809]

約数ペア:

[(1, 2728809), (3, 909603), (9, 303201), (27, 101067), (59, 46251), (81, 33689), (177, 15417), (531, 5139), (571, 4779), (1593, 1713)]