389655225

素因数分解:

$3^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{4153}}^1$

素因数の和:4311

約数の個数: 48

約数和(自身を含む): 721134400

約数和(自身を除く): 331479175

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 139, 225, 417, 675, 695, 1251, 2085, 3475, 3753, 4153, 6255, 10425, 12459, 18765, 20765, 31275, 37377, 62295, 93825, 103825, 112131, 186885, 311475, 560655, 577267, 934425, 1731801, 2803275, 2886335, 5195403, 8659005, 14431675, 15586209, 25977015, 43295025, 77931045, 129885075, 389655225]

約数ペア:

[(1, 389655225), (3, 129885075), (5, 77931045), (9, 43295025), (15, 25977015), (25, 15586209), (27, 14431675), (45, 8659005), (75, 5195403), (135, 2886335), (139, 2803275), (225, 1731801), (417, 934425), (675, 577267), (695, 560655), (1251, 311475), (2085, 186885), (3475, 112131), (3753, 103825), (4153, 93825), (6255, 62295), (10425, 37377), (12459, 31275), (18765, 20765)]