61320555

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 109680480

約数和(自身を除く): 48359925

約数列:

[1, 3, 5, 9, 15, 45, 61, 89, 183, 251, 267, 305, 445, 549, 753, 801, 915, 1255, 1335, 2259, 2745, 3765, 4005, 5429, 11295, 15311, 16287, 22339, 27145, 45933, 48861, 67017, 76555, 81435, 111695, 137799, 201051, 229665, 244305, 335085, 688995, 1005255, 1362679, 4088037, 6813395, 12264111, 20440185, 61320555]

約数ペア:

[(1, 61320555), (3, 20440185), (5, 12264111), (9, 6813395), (15, 4088037), (45, 1362679), (61, 1005255), (89, 688995), (183, 335085), (251, 244305), (267, 229665), (305, 201051), (445, 137799), (549, 111695), (753, 81435), (801, 76555), (915, 67017), (1255, 48861), (1335, 45933), (2259, 27145), (2745, 22339), (3765, 16287), (4005, 15311), (5429, 11295)]