423957891

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{1511}}^1$

素因数の和:1983

約数の個数: 32

約数和(自身を含む): 668860416

約数和(自身を除く): 244902525

約数列:

[1, 3, 7, 21, 31, 93, 217, 431, 651, 1293, 1511, 3017, 4533, 9051, 10577, 13361, 31731, 40083, 46841, 93527, 140523, 280581, 327887, 651241, 983661, 1953723, 4558687, 13676061, 20188471, 60565413, 141319297, 423957891]

約数ペア:

[(1, 423957891), (3, 141319297), (7, 60565413), (21, 20188471), (31, 13676061), (93, 4558687), (217, 1953723), (431, 983661), (651, 651241), (1293, 327887), (1511, 280581), (3017, 140523), (4533, 93527), (9051, 46841), (10577, 40083), (13361, 31731)]