139604871

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 228248064

約数和(自身を除く): 88643193

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 157, 161, 263, 471, 483, 789, 1099, 1127, 1841, 3297, 3381, 3611, 5523, 6049, 7693, 10833, 12887, 18147, 23079, 25277, 38661, 41291, 42343, 75831, 123873, 127029, 176939, 289037, 296401, 530817, 867111, 889203, 949693, 2023259, 2849079, 6069777, 6647851, 19943553, 46534957, 139604871]

約数ペア:

[(1, 139604871), (3, 46534957), (7, 19943553), (21, 6647851), (23, 6069777), (49, 2849079), (69, 2023259), (147, 949693), (157, 889203), (161, 867111), (263, 530817), (471, 296401), (483, 289037), (789, 176939), (1099, 127029), (1127, 123873), (1841, 75831), (3297, 42343), (3381, 41291), (3611, 38661), (5523, 25277), (6049, 23079), (7693, 18147), (10833, 12887)]