663663957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{751}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 984698880

約数和(自身を除く): 321034923

約数列:

[1, 3, 11, 33, 61, 183, 439, 671, 751, 1317, 2013, 2253, 4829, 8261, 14487, 24783, 26779, 45811, 80337, 137433, 294569, 329689, 503921, 883707, 989067, 1511763, 3626579, 10879737, 20111029, 60333087, 221221319, 663663957]

約数ペア:

[(1, 663663957), (3, 221221319), (11, 60333087), (33, 20111029), (61, 10879737), (183, 3626579), (439, 1511763), (671, 989067), (751, 883707), (1317, 503921), (2013, 329689), (2253, 294569), (4829, 137433), (8261, 80337), (14487, 45811), (24783, 26779)]