28398513

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 16961487

約数列:

[1, 3, 11, 13, 33, 39, 53, 143, 159, 429, 583, 689, 1249, 1749, 2067, 3747, 7579, 13739, 16237, 22737, 41217, 48711, 66197, 178607, 198591, 535821, 728167, 860561, 2184501, 2581683, 9466171, 28398513]

約数ペア:

[(1, 28398513), (3, 9466171), (11, 2581683), (13, 2184501), (33, 860561), (39, 728167), (53, 535821), (143, 198591), (159, 178607), (429, 66197), (583, 48711), (689, 41217), (1249, 22737), (1749, 16237), (2067, 13739), (3747, 7579)]