121531487

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 161533440

約数和(自身を除く): 40001953

約数列:

[1, 7, 11, 17, 77, 119, 187, 227, 409, 1309, 1589, 2497, 2863, 3859, 4499, 6953, 17479, 27013, 31493, 42449, 48671, 76483, 92843, 297143, 535381, 649901, 1021273, 1578331, 7148911, 11048317, 17361641, 121531487]

約数ペア:

[(1, 121531487), (7, 17361641), (11, 11048317), (17, 7148911), (77, 1578331), (119, 1021273), (187, 649901), (227, 535381), (409, 297143), (1309, 92843), (1589, 76483), (2497, 48671), (2863, 42449), (3859, 31493), (4499, 27013), (6953, 17479)]