1213905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1051}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 2423808

約数和(自身を除く): 1209903

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1051, 1155, 3153, 5255, 7357, 11561, 15765, 22071, 34683, 36785, 57805, 80927, 110355, 173415, 242781, 404635, 1213905]

約数ペア:

[(1, 1213905), (3, 404635), (5, 242781), (7, 173415), (11, 110355), (15, 80927), (21, 57805), (33, 36785), (35, 34683), (55, 22071), (77, 15765), (105, 11561), (165, 7357), (231, 5255), (385, 3153), (1051, 1155)]