31795911

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 56010240

約数和(自身を除く): 24214329

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 101, 133, 171, 263, 303, 399, 707, 789, 909, 1197, 1841, 1919, 2121, 2367, 4997, 5523, 5757, 6363, 13433, 14991, 16569, 17271, 26563, 34979, 40299, 44973, 79689, 104937, 120897, 185941, 239067, 314811, 504697, 557823, 1514091, 1673469, 3532879, 4542273, 10598637, 31795911]

約数ペア:

[(1, 31795911), (3, 10598637), (7, 4542273), (9, 3532879), (19, 1673469), (21, 1514091), (57, 557823), (63, 504697), (101, 314811), (133, 239067), (171, 185941), (263, 120897), (303, 104937), (399, 79689), (707, 44973), (789, 40299), (909, 34979), (1197, 26563), (1841, 17271), (1919, 16569), (2121, 14991), (2367, 13433), (4997, 6363), (5523, 5757)]