138974997

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{467}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 218529792

約数和(自身を除く): 79554795

約数列:

[1, 3, 7, 21, 37, 111, 259, 383, 467, 777, 1149, 1401, 2681, 3269, 8043, 9807, 14171, 17279, 42513, 51837, 99197, 120953, 178861, 297591, 362859, 536583, 1252027, 3756081, 6617857, 19853571, 46324999, 138974997]

約数ペア:

[(1, 138974997), (3, 46324999), (7, 19853571), (21, 6617857), (37, 3756081), (111, 1252027), (259, 536583), (383, 362859), (467, 297591), (777, 178861), (1149, 120953), (1401, 99197), (2681, 51837), (3269, 42513), (8043, 17279), (9807, 14171)]