27818895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 48190464

約数和(自身を除く): 20371569

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 331, 431, 993, 1293, 1655, 2155, 4303, 4965, 5603, 6465, 12909, 16809, 21515, 28015, 64545, 84045, 142661, 427983, 713305, 1854593, 2139915, 5563779, 9272965, 27818895]

約数ペア:

[(1, 27818895), (3, 9272965), (5, 5563779), (13, 2139915), (15, 1854593), (39, 713305), (65, 427983), (195, 142661), (331, 84045), (431, 64545), (993, 28015), (1293, 21515), (1655, 16809), (2155, 12909), (4303, 6465), (4965, 5603)]