642495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 1221120

約数和(自身を除く): 578625

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 211, 435, 609, 633, 1015, 1055, 1477, 3045, 3165, 4431, 6119, 7385, 18357, 22155, 30595, 42833, 91785, 128499, 214165, 642495]

約数ペア:

[(1, 642495), (3, 214165), (5, 128499), (7, 91785), (15, 42833), (21, 30595), (29, 22155), (35, 18357), (87, 7385), (105, 6119), (145, 4431), (203, 3165), (211, 3045), (435, 1477), (609, 1055), (633, 1015)]