28779525

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3457}}^1$

素因数の和:3510

約数の個数: 36

約数和(自身を含む): 52955812

約数和(自身を除く): 24176287

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 3457, 8325, 10371, 17285, 31113, 51855, 86425, 127909, 155565, 259275, 383727, 639545, 777825, 1151181, 1918635, 3197725, 5755905, 9593175, 28779525]

約数ペア:

[(1, 28779525), (3, 9593175), (5, 5755905), (9, 3197725), (15, 1918635), (25, 1151181), (37, 777825), (45, 639545), (75, 383727), (111, 259275), (185, 155565), (225, 127909), (333, 86425), (555, 51855), (925, 31113), (1665, 17285), (2775, 10371), (3457, 8325)]