28737975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 59361280

約数和(自身を除く): 30623305

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 43, 57, 67, 75, 95, 105, 129, 133, 175, 201, 215, 285, 301, 335, 399, 469, 475, 525, 645, 665, 817, 903, 1005, 1075, 1273, 1407, 1425, 1505, 1675, 1995, 2345, 2451, 2881, 3225, 3325, 3819, 4085, 4515, 5025, 5719, 6365, 7035, 7525, 8643, 8911, 9975, 11725, 12255, 14405, 17157, 19095, 20167, 20425, 22575, 26733, 28595, 31825, 35175, 43215, 44555, 54739, 60501, 61275, 72025, 85785, 95475, 100835, 133665, 142975, 164217, 216075, 222775, 273695, 302505, 383173, 428925, 504175, 668325, 821085, 1149519, 1368475, 1512525, 1915865, 4105425, 5747595, 9579325, 28737975]

約数ペア:

[(1, 28737975), (3, 9579325), (5, 5747595), (7, 4105425), (15, 1915865), (19, 1512525), (21, 1368475), (25, 1149519), (35, 821085), (43, 668325), (57, 504175), (67, 428925), (75, 383173), (95, 302505), (105, 273695), (129, 222775), (133, 216075), (175, 164217), (201, 142975), (215, 133665), (285, 100835), (301, 95475), (335, 85785), (399, 72025), (469, 61275), (475, 60501), (525, 54739), (645, 44555), (665, 43215), (817, 35175), (903, 31825), (1005, 28595), (1075, 26733), (1273, 22575), (1407, 20425), (1425, 20167), (1505, 19095), (1675, 17157), (1995, 14405), (2345, 12255), (2451, 11725), (2881, 9975), (3225, 8911), (3325, 8643), (3819, 7525), (4085, 7035), (4515, 6365), (5025, 5719)]