28477953

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1693}}^1$

素因数の和:1798

約数の個数: 32

約数和(自身を含む): 48787200

約数和(自身を除く): 20309247

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1693, 1869, 2403, 5079, 5607, 11851, 15237, 16821, 35553, 45711, 106659, 150677, 319977, 452031, 1054739, 1356093, 3164217, 4068279, 9492651, 28477953]

約数ペア:

[(1, 28477953), (3, 9492651), (7, 4068279), (9, 3164217), (21, 1356093), (27, 1054739), (63, 452031), (89, 319977), (189, 150677), (267, 106659), (623, 45711), (801, 35553), (1693, 16821), (1869, 15237), (2403, 11851), (5079, 5607)]