1278722511

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{28513}}^1$

素因数の和:28684

約数の個数: 32

約数和(自身を含む): 2080381440

約数和(自身を除く): 801658929

約数列:

[1, 3, 9, 11, 27, 33, 99, 151, 297, 453, 1359, 1661, 4077, 4983, 14949, 28513, 44847, 85539, 256617, 313643, 769851, 940929, 2822787, 4305463, 8468361, 12916389, 38749167, 47360093, 116247501, 142080279, 426240837, 1278722511]

約数ペア:

[(1, 1278722511), (3, 426240837), (9, 142080279), (11, 116247501), (27, 47360093), (33, 38749167), (99, 12916389), (151, 8468361), (297, 4305463), (453, 2822787), (1359, 940929), (1661, 769851), (4077, 313643), (4983, 256617), (14949, 85539), (28513, 44847)]