81879390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{303257}}^1$

素因数の和:303273

約数の個数: 32

約数和(自身を含む): 218345760

約数和(自身を除く): 136466370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 303257, 606514, 909771, 1516285, 1819542, 2729313, 3032570, 4548855, 5458626, 8187939, 9097710, 13646565, 16375878, 27293130, 40939695, 81879390]

約数ペア:

[(1, 81879390), (2, 40939695), (3, 27293130), (5, 16375878), (6, 13646565), (9, 9097710), (10, 8187939), (15, 5458626), (18, 4548855), (27, 3032570), (30, 2729313), (45, 1819542), (54, 1516285), (90, 909771), (135, 606514), (270, 303257)]