39898575

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 83722320

約数和(自身を除く): 43823745

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 27, 45, 51, 57, 61, 75, 81, 85, 95, 135, 153, 171, 183, 225, 255, 285, 305, 323, 405, 425, 459, 475, 513, 549, 675, 765, 855, 915, 969, 1037, 1159, 1275, 1377, 1425, 1525, 1539, 1615, 1647, 2025, 2295, 2565, 2745, 2907, 3111, 3477, 3825, 4275, 4575, 4845, 4941, 5185, 5795, 6885, 7695, 8075, 8235, 8721, 9333, 10431, 11475, 12825, 13725, 14535, 15555, 17385, 19703, 24225, 24705, 25925, 26163, 27999, 28975, 31293, 34425, 38475, 41175, 43605, 46665, 52155, 59109, 72675, 77775, 83997, 86925, 93879, 98515, 123525, 130815, 139995, 156465, 177327, 218025, 233325, 260775, 295545, 419985, 469395, 492575, 531981, 654075, 699975, 782325, 886635, 1477725, 1595943, 2099925, 2346975, 2659905, 4433175, 7979715, 13299525, 39898575]

約数ペア:

[(1, 39898575), (3, 13299525), (5, 7979715), (9, 4433175), (15, 2659905), (17, 2346975), (19, 2099925), (25, 1595943), (27, 1477725), (45, 886635), (51, 782325), (57, 699975), (61, 654075), (75, 531981), (81, 492575), (85, 469395), (95, 419985), (135, 295545), (153, 260775), (171, 233325), (183, 218025), (225, 177327), (255, 156465), (285, 139995), (305, 130815), (323, 123525), (405, 98515), (425, 93879), (459, 86925), (475, 83997), (513, 77775), (549, 72675), (675, 59109), (765, 52155), (855, 46665), (915, 43605), (969, 41175), (1037, 38475), (1159, 34425), (1275, 31293), (1377, 28975), (1425, 27999), (1525, 26163), (1539, 25925), (1615, 24705), (1647, 24225), (2025, 19703), (2295, 17385), (2565, 15555), (2745, 14535), (2907, 13725), (3111, 12825), (3477, 11475), (3825, 10431), (4275, 9333), (4575, 8721), (4845, 8235), (4941, 8075), (5185, 7695), (5795, 6885)]