219040353

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{51893}}^1$

素因数の和:51973

約数の個数: 24

約数和(自身を含む): 366994368

約数和(自身を除く): 147954015

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 51893, 155679, 363251, 467037, 1089753, 3269259, 3476831, 10430493, 24337817, 31291479, 73013451, 219040353]

約数ペア:

[(1, 219040353), (3, 73013451), (7, 31291479), (9, 24337817), (21, 10430493), (63, 3476831), (67, 3269259), (201, 1089753), (469, 467037), (603, 363251), (1407, 155679), (4221, 51893)]