78989841

素因数分解:

$3^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2251}}^1$

素因数の和:2821

約数の個数: 24

約数和(自身を含む): 130688064

約数和(自身を除く): 51698223

約数列:

[1, 3, 7, 9, 21, 63, 557, 1671, 2251, 3899, 5013, 6753, 11697, 15757, 20259, 35091, 47271, 141813, 1253807, 3761421, 8776649, 11284263, 26329947, 78989841]

約数ペア:

[(1, 78989841), (3, 26329947), (7, 11284263), (9, 8776649), (21, 3761421), (63, 1253807), (557, 141813), (1671, 47271), (2251, 35091), (3899, 20259), (5013, 15757), (6753, 11697)]