11971425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 21585920

約数和(自身を除く): 9614495

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 155, 271, 285, 465, 475, 589, 775, 813, 1355, 1425, 1767, 2325, 2945, 4065, 5149, 6775, 8401, 8835, 14725, 15447, 20325, 25203, 25745, 42005, 44175, 77235, 126015, 128725, 159619, 210025, 386175, 478857, 630075, 798095, 2394285, 3990475, 11971425]

約数ペア:

[(1, 11971425), (3, 3990475), (5, 2394285), (15, 798095), (19, 630075), (25, 478857), (31, 386175), (57, 210025), (75, 159619), (93, 128725), (95, 126015), (155, 77235), (271, 44175), (285, 42005), (465, 25745), (475, 25203), (589, 20325), (775, 15447), (813, 14725), (1355, 8835), (1425, 8401), (1767, 6775), (2325, 5149), (2945, 4065)]