26920275

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 46648800

約数和(自身を除く): 19728525

約数列:

[1, 3, 5, 15, 25, 37, 75, 89, 109, 111, 185, 267, 327, 445, 545, 555, 925, 1335, 1635, 2225, 2725, 2775, 3293, 4033, 6675, 8175, 9701, 9879, 12099, 16465, 20165, 29103, 48505, 49395, 60495, 82325, 100825, 145515, 242525, 246975, 302475, 358937, 727575, 1076811, 1794685, 5384055, 8973425, 26920275]

約数ペア:

[(1, 26920275), (3, 8973425), (5, 5384055), (15, 1794685), (25, 1076811), (37, 727575), (75, 358937), (89, 302475), (109, 246975), (111, 242525), (185, 145515), (267, 100825), (327, 82325), (445, 60495), (545, 49395), (555, 48505), (925, 29103), (1335, 20165), (1635, 16465), (2225, 12099), (2725, 9879), (2775, 9701), (3293, 8175), (4033, 6675)]