26401905

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 47767824

約数和(自身を除く): 21365919

約数列:

[1, 3, 5, 9, 15, 37, 45, 101, 111, 157, 185, 303, 333, 471, 505, 555, 785, 909, 1413, 1515, 1665, 2355, 3737, 4545, 5809, 7065, 11211, 15857, 17427, 18685, 29045, 33633, 47571, 52281, 56055, 79285, 87135, 142713, 168165, 237855, 261405, 586709, 713565, 1760127, 2933545, 5280381, 8800635, 26401905]

約数ペア:

[(1, 26401905), (3, 8800635), (5, 5280381), (9, 2933545), (15, 1760127), (37, 713565), (45, 586709), (101, 261405), (111, 237855), (157, 168165), (185, 142713), (303, 87135), (333, 79285), (471, 56055), (505, 52281), (555, 47571), (785, 33633), (909, 29045), (1413, 18685), (1515, 17427), (1665, 15857), (2355, 11211), (3737, 7065), (4545, 5809)]