251644671

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{61723}}^1$

素因数の和:61883

約数の個数: 16

約数和(自身を含む): 375281920

約数和(自身を除く): 123637249

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 61723, 185169, 555507, 1666521, 9320173, 27960519, 83881557, 251644671]

約数ペア:

[(1, 251644671), (3, 83881557), (9, 27960519), (27, 9320173), (151, 1666521), (453, 555507), (1359, 185169), (4077, 61723)]