221855403

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{18121}}^1$

素因数の和:18195

約数の個数: 32

約数和(自身を含む): 375777792

約数和(自身を除く): 153922389

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 4081, 12243, 18121, 54363, 126847, 199331, 380541, 597993, 960413, 1395317, 2881239, 4185951, 6722891, 10564543, 20168673, 31693629, 73951801, 221855403]

約数ペア:

[(1, 221855403), (3, 73951801), (7, 31693629), (11, 20168673), (21, 10564543), (33, 6722891), (53, 4185951), (77, 2881239), (159, 1395317), (231, 960413), (371, 597993), (583, 380541), (1113, 199331), (1749, 126847), (4081, 54363), (12243, 18121)]