289773825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 541465344

約数和(自身を除く): 251691519

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 121, 165, 185, 275, 363, 407, 555, 605, 825, 863, 925, 1221, 1815, 2035, 2589, 2775, 3025, 4315, 4477, 6105, 9075, 9493, 10175, 12945, 13431, 21575, 22385, 28479, 30525, 31931, 47465, 64725, 67155, 95793, 104423, 111925, 142395, 159655, 237325, 313269, 335775, 351241, 478965, 522115, 711975, 798275, 1053723, 1566345, 1756205, 2394825, 2610575, 3863651, 5268615, 7831725, 8781025, 11590953, 19318255, 26343075, 57954765, 96591275, 289773825]

約数ペア:

[(1, 289773825), (3, 96591275), (5, 57954765), (11, 26343075), (15, 19318255), (25, 11590953), (33, 8781025), (37, 7831725), (55, 5268615), (75, 3863651), (111, 2610575), (121, 2394825), (165, 1756205), (185, 1566345), (275, 1053723), (363, 798275), (407, 711975), (555, 522115), (605, 478965), (825, 351241), (863, 335775), (925, 313269), (1221, 237325), (1815, 159655), (2035, 142395), (2589, 111925), (2775, 104423), (3025, 95793), (4315, 67155), (4477, 64725), (6105, 47465), (9075, 31931), (9493, 30525), (10175, 28479), (12945, 22385), (13431, 21575)]