1312479

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 2201472

約数和(自身を除く): 888993

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 251, 581, 747, 753, 1743, 1757, 2259, 5229, 5271, 15813, 20833, 62499, 145831, 187497, 437493, 1312479]

約数ペア:

[(1, 1312479), (3, 437493), (7, 187497), (9, 145831), (21, 62499), (63, 20833), (83, 15813), (249, 5271), (251, 5229), (581, 2259), (747, 1757), (753, 1743)]