138775275

素因数分解:

$3^4\times 5^2\times {\mathrm{68531}}^1$

素因数の和:68553

約数の個数: 30

約数和(自身を含む): 257063532

約数和(自身を除く): 118288257

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 68531, 205593, 342655, 616779, 1027965, 1713275, 1850337, 3083895, 5139825, 5551011, 9251685, 15419475, 27755055, 46258425, 138775275]

約数ペア:

[(1, 138775275), (3, 46258425), (5, 27755055), (9, 15419475), (15, 9251685), (25, 5551011), (27, 5139825), (45, 3083895), (75, 1850337), (81, 1713275), (135, 1027965), (225, 616779), (405, 342655), (675, 205593), (2025, 68531)]