222604557

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{719}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 355000320

約数和(自身を除く): 132395763

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 641, 719, 1923, 2157, 4487, 5033, 13461, 14743, 15099, 16537, 44229, 49611, 103201, 115759, 309603, 347277, 460879, 1382637, 3226153, 9678459, 10600217, 31800651, 74201519, 222604557]

約数ペア:

[(1, 222604557), (3, 74201519), (7, 31800651), (21, 10600217), (23, 9678459), (69, 3226153), (161, 1382637), (483, 460879), (641, 347277), (719, 309603), (1923, 115759), (2157, 103201), (4487, 49611), (5033, 44229), (13461, 16537), (14743, 15099)]