78223257

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2102

約数の個数: 36

約数和(自身を含む): 132979860

約数和(自身を除く): 54756603

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 1993, 4361, 5607, 5979, 13083, 13951, 17937, 39249, 41853, 97657, 125559, 177377, 292971, 532131, 878913, 1241639, 1596393, 3724917, 8691473, 11174751, 26074419, 78223257]

約数ペア:

[(1, 78223257), (3, 26074419), (7, 11174751), (9, 8691473), (21, 3724917), (49, 1596393), (63, 1241639), (89, 878913), (147, 532131), (267, 292971), (441, 177377), (623, 125559), (801, 97657), (1869, 41853), (1993, 39249), (4361, 17937), (5607, 13951), (5979, 13083)]