31777029

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 51435648

約数和(自身を除く): 19658619

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 423, 459, 491, 799, 1269, 1377, 1473, 2397, 3807, 4419, 7191, 8347, 13257, 21573, 23077, 25041, 39771, 64719, 69231, 75123, 207693, 225369, 392309, 623079, 676107, 1176927, 1869237, 3530781, 10592343, 31777029]

約数ペア:

[(1, 31777029), (3, 10592343), (9, 3530781), (17, 1869237), (27, 1176927), (47, 676107), (51, 623079), (81, 392309), (141, 225369), (153, 207693), (423, 75123), (459, 69231), (491, 64719), (799, 39771), (1269, 25041), (1377, 23077), (1473, 21573), (2397, 13257), (3807, 8347), (4419, 7191)]