26865525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 49550400

約数和(自身を除く): 22684875

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1109, 1275, 1425, 1615, 3327, 4845, 5545, 8075, 16635, 18853, 21071, 24225, 27725, 56559, 63213, 83175, 94265, 105355, 282795, 316065, 358207, 471325, 526775, 1074621, 1413975, 1580325, 1791035, 5373105, 8955175, 26865525]

約数ペア:

[(1, 26865525), (3, 8955175), (5, 5373105), (15, 1791035), (17, 1580325), (19, 1413975), (25, 1074621), (51, 526775), (57, 471325), (75, 358207), (85, 316065), (95, 282795), (255, 105355), (285, 94265), (323, 83175), (425, 63213), (475, 56559), (969, 27725), (1109, 24225), (1275, 21071), (1425, 18853), (1615, 16635), (3327, 8075), (4845, 5545)]