13500025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7013}}^1$

素因数の和:7041

約数の個数: 24

約数和(自身を含む): 20873664

約数和(自身を除く): 7373639

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 7013, 35065, 49091, 77143, 175325, 245455, 385715, 540001, 1227275, 1928575, 2700005, 13500025]

約数ペア:

[(1, 13500025), (5, 2700005), (7, 1928575), (11, 1227275), (25, 540001), (35, 385715), (55, 245455), (77, 175325), (175, 77143), (275, 49091), (385, 35065), (1925, 7013)]