820888959

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{3803}}^1$

素因数の和:4059

約数の個数: 32

約数和(自身を含む): 1238704128

約数和(自身を除く): 417815169

約数列:

[1, 3, 11, 31, 33, 93, 211, 341, 633, 1023, 2321, 3803, 6541, 6963, 11409, 19623, 41833, 71951, 117893, 125499, 215853, 353679, 802433, 1296823, 2407299, 3890469, 8826763, 24875423, 26480289, 74626269, 273629653, 820888959]

約数ペア:

[(1, 820888959), (3, 273629653), (11, 74626269), (31, 26480289), (33, 24875423), (93, 8826763), (211, 3890469), (341, 2407299), (633, 1296823), (1023, 802433), (2321, 353679), (3803, 215853), (6541, 125499), (6963, 117893), (11409, 71951), (19623, 41833)]