1247200065

素因数分解:

$3^3\times 5^1\times {\mathrm{9238519}}^1$

素因数の和:9238533

約数の個数: 16

約数和(自身を含む): 2217244800

約数和(自身を除く): 970044735

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 9238519, 27715557, 46192595, 83146671, 138577785, 249440013, 415733355, 1247200065]

約数ペア:

[(1, 1247200065), (3, 415733355), (5, 249440013), (9, 138577785), (15, 83146671), (27, 46192595), (45, 27715557), (135, 9238519)]