28772577

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{3517}}^1$

素因数の和:3630

約数の個数: 20

約数和(自身を含む): 43419156

約数和(自身を除く): 14646579

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 3517, 8181, 10551, 31653, 94959, 284877, 355217, 1065651, 3196953, 9590859, 28772577]

約数ペア:

[(1, 28772577), (3, 9590859), (9, 3196953), (27, 1065651), (81, 355217), (101, 284877), (303, 94959), (909, 31653), (2727, 10551), (3517, 8181)]