220198713

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{223099}}^1$

素因数の和:223156

約数の個数: 16

約数和(自身を含む): 342681600

約数和(自身を除く): 122482887

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 223099, 669297, 1561693, 4685079, 10485653, 31456959, 73399571, 220198713]

約数ペア:

[(1, 220198713), (3, 73399571), (7, 31456959), (21, 10485653), (47, 4685079), (141, 1561693), (329, 669297), (987, 223099)]