30721341

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 49545216

約数和(自身を除く): 18823875

約数列:

[1, 3, 7, 21, 31, 41, 93, 123, 217, 287, 651, 861, 1151, 1271, 3453, 3813, 8057, 8897, 24171, 26691, 35681, 47191, 107043, 141573, 249767, 330337, 749301, 991011, 1462921, 4388763, 10240447, 30721341]

約数ペア:

[(1, 30721341), (3, 10240447), (7, 4388763), (21, 1462921), (31, 991011), (41, 749301), (93, 330337), (123, 249767), (217, 141573), (287, 107043), (651, 47191), (861, 35681), (1151, 26691), (1271, 24171), (3453, 8897), (3813, 8057)]