398338311

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{1307}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 634871808

約数和(自身を除く): 236533497

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 631, 1307, 1893, 3921, 4417, 9149, 13251, 14513, 27447, 30061, 43539, 90183, 101591, 210427, 304773, 631281, 824717, 2474151, 5773019, 17319057, 18968491, 56905473, 132779437, 398338311]

約数ペア:

[(1, 398338311), (3, 132779437), (7, 56905473), (21, 18968491), (23, 17319057), (69, 5773019), (161, 2474151), (483, 824717), (631, 631281), (1307, 304773), (1893, 210427), (3921, 101591), (4417, 90183), (9149, 43539), (13251, 30061), (14513, 27447)]