187375881

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 322485632

約数和(自身を除く): 135109751

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 121, 231, 259, 363, 407, 777, 847, 1221, 1993, 2541, 2849, 4477, 5979, 8547, 13431, 13951, 21923, 31339, 41853, 65769, 73741, 94017, 153461, 221223, 241153, 460383, 516187, 723459, 811151, 1548561, 1688071, 2433453, 5064213, 5678057, 8922661, 17034171, 26767983, 62458627, 187375881]

約数ペア:

[(1, 187375881), (3, 62458627), (7, 26767983), (11, 17034171), (21, 8922661), (33, 5678057), (37, 5064213), (77, 2433453), (111, 1688071), (121, 1548561), (231, 811151), (259, 723459), (363, 516187), (407, 460383), (777, 241153), (847, 221223), (1221, 153461), (1993, 94017), (2541, 73741), (2849, 65769), (4477, 41853), (5979, 31339), (8547, 21923), (13431, 13951)]