28851417

素因数分解:

$3^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{521}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 49109760

約数和(自身を除く): 20258343

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 293, 521, 879, 1563, 2051, 2637, 3647, 4689, 6153, 7911, 10941, 14067, 18459, 32823, 55377, 98469, 152653, 457959, 1068571, 1373877, 3205713, 4121631, 9617139, 28851417]

約数ペア:

[(1, 28851417), (3, 9617139), (7, 4121631), (9, 3205713), (21, 1373877), (27, 1068571), (63, 457959), (189, 152653), (293, 98469), (521, 55377), (879, 32823), (1563, 18459), (2051, 14067), (2637, 10941), (3647, 7911), (4689, 6153)]