18129075

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 31664640

約数和(自身を除く): 13535565

約数列:

[1, 3, 5, 15, 25, 37, 47, 75, 111, 139, 141, 185, 235, 417, 555, 695, 705, 925, 1175, 1739, 2085, 2775, 3475, 3525, 5143, 5217, 6533, 8695, 10425, 15429, 19599, 25715, 26085, 32665, 43475, 77145, 97995, 128575, 130425, 163325, 241721, 385725, 489975, 725163, 1208605, 3625815, 6043025, 18129075]

約数ペア:

[(1, 18129075), (3, 6043025), (5, 3625815), (15, 1208605), (25, 725163), (37, 489975), (47, 385725), (75, 241721), (111, 163325), (139, 130425), (141, 128575), (185, 97995), (235, 77145), (417, 43475), (555, 32665), (695, 26085), (705, 25715), (925, 19599), (1175, 15429), (1739, 10425), (2085, 8695), (2775, 6533), (3475, 5217), (3525, 5143)]