83885475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 153531840

約数和(自身を除く): 69646365

約数列:

[1, 3, 5, 15, 19, 25, 37, 43, 57, 75, 95, 111, 129, 185, 215, 285, 475, 555, 645, 703, 817, 925, 1075, 1369, 1425, 1591, 2109, 2451, 2775, 3225, 3515, 4085, 4107, 4773, 6845, 7955, 10545, 12255, 17575, 20425, 20535, 23865, 26011, 30229, 34225, 39775, 52725, 58867, 61275, 78033, 90687, 102675, 119325, 130055, 151145, 176601, 294335, 390165, 453435, 650275, 755725, 883005, 1118473, 1471675, 1950825, 2267175, 3355419, 4415025, 5592365, 16777095, 27961825, 83885475]

約数ペア:

[(1, 83885475), (3, 27961825), (5, 16777095), (15, 5592365), (19, 4415025), (25, 3355419), (37, 2267175), (43, 1950825), (57, 1471675), (75, 1118473), (95, 883005), (111, 755725), (129, 650275), (185, 453435), (215, 390165), (285, 294335), (475, 176601), (555, 151145), (645, 130055), (703, 119325), (817, 102675), (925, 90687), (1075, 78033), (1369, 61275), (1425, 58867), (1591, 52725), (2109, 39775), (2451, 34225), (2775, 30229), (3225, 26011), (3515, 23865), (4085, 20535), (4107, 20425), (4773, 17575), (6845, 12255), (7955, 10545)]