28367415

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:893

約数の個数: 40

約数和(自身を含む): 51487920

約数和(自身を除く): 23120505

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 267, 405, 445, 787, 801, 1335, 2361, 2403, 3935, 4005, 7083, 7209, 11805, 12015, 21249, 35415, 36045, 63747, 70043, 106245, 210129, 318735, 350215, 630387, 1050645, 1891161, 3151935, 5673483, 9455805, 28367415]

約数ペア:

[(1, 28367415), (3, 9455805), (5, 5673483), (9, 3151935), (15, 1891161), (27, 1050645), (45, 630387), (81, 350215), (89, 318735), (135, 210129), (267, 106245), (405, 70043), (445, 63747), (787, 36045), (801, 35415), (1335, 21249), (2361, 12015), (2403, 11805), (3935, 7209), (4005, 7083)]