13875555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 23814144

約数和(自身を除く): 9938589

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 1087, 2553, 3261, 4255, 5435, 12765, 16305, 25001, 40219, 75003, 120657, 125005, 201095, 375015, 603285, 925037, 2775111, 4625185, 13875555]

約数ペア:

[(1, 13875555), (3, 4625185), (5, 2775111), (15, 925037), (23, 603285), (37, 375015), (69, 201095), (111, 125005), (115, 120657), (185, 75003), (345, 40219), (555, 25001), (851, 16305), (1087, 12765), (2553, 5435), (3261, 4255)]