20180280813

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{381487}}^1$

素因数の和:381737

約数の個数: 32

約数和(自身を含む): 33693020160

約数和(自身を除く): 13512739347

約数列:

[1, 3, 7, 11, 21, 33, 77, 229, 231, 687, 1603, 2519, 4809, 7557, 17633, 52899, 381487, 1144461, 2670409, 4196357, 8011227, 12589071, 29374499, 87360523, 88123497, 262081569, 611523661, 960965753, 1834570983, 2882897259, 6726760271, 20180280813]

約数ペア:

[(1, 20180280813), (3, 6726760271), (7, 2882897259), (11, 1834570983), (21, 960965753), (33, 611523661), (77, 262081569), (229, 88123497), (231, 87360523), (687, 29374499), (1603, 12589071), (2519, 8011227), (4809, 4196357), (7557, 2670409), (17633, 1144461), (52899, 381487)]