28478667

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 45434880

約数和(自身を除く): 16956213

約数列:

[1, 3, 7, 21, 29, 87, 101, 203, 303, 463, 609, 707, 1389, 2121, 2929, 3241, 8787, 9723, 13427, 20503, 40281, 46763, 61509, 93989, 140289, 281967, 327341, 982023, 1356127, 4068381, 9492889, 28478667]

約数ペア:

[(1, 28478667), (3, 9492889), (7, 4068381), (21, 1356127), (29, 982023), (87, 327341), (101, 281967), (203, 140289), (303, 93989), (463, 61509), (609, 46763), (707, 40281), (1389, 20503), (2121, 13427), (2929, 9723), (3241, 8787)]