39951945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 77343552

約数和(自身を除く): 37391607

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 1419, 1877, 1935, 2365, 4257, 5631, 7095, 9385, 16893, 20647, 21285, 28155, 61941, 80711, 84465, 103235, 185823, 242133, 309705, 403555, 726399, 887821, 929115, 1210665, 2663463, 3631995, 4439105, 7990389, 13317315, 39951945]

約数ペア:

[(1, 39951945), (3, 13317315), (5, 7990389), (9, 4439105), (11, 3631995), (15, 2663463), (33, 1210665), (43, 929115), (45, 887821), (55, 726399), (99, 403555), (129, 309705), (165, 242133), (215, 185823), (387, 103235), (473, 84465), (495, 80711), (645, 61941), (1419, 28155), (1877, 21285), (1935, 20647), (2365, 16893), (4257, 9385), (5631, 7095)]