90990891

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 138067200

約数和(自身を除く): 47076309

約数列:

[1, 3, 9, 27, 67, 179, 201, 281, 537, 603, 843, 1611, 1809, 2529, 4833, 7587, 11993, 18827, 35979, 50299, 56481, 107937, 150897, 169443, 323811, 452691, 508329, 1358073, 3370033, 10110099, 30330297, 90990891]

約数ペア:

[(1, 90990891), (3, 30330297), (9, 10110099), (27, 3370033), (67, 1358073), (179, 508329), (201, 452691), (281, 323811), (537, 169443), (603, 150897), (843, 107937), (1611, 56481), (1809, 50299), (2529, 35979), (4833, 18827), (7587, 11993)]