74953575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 143629200

約数和(自身を除く): 68675625

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 89, 95, 171, 197, 225, 267, 285, 445, 475, 591, 801, 855, 985, 1335, 1425, 1691, 1773, 2225, 2955, 3743, 4005, 4275, 4925, 5073, 6675, 8455, 8865, 11229, 14775, 15219, 17533, 18715, 20025, 25365, 33687, 42275, 44325, 52599, 56145, 76095, 87665, 93575, 126825, 157797, 168435, 262995, 280725, 333127, 380475, 438325, 788985, 842175, 999381, 1314975, 1665635, 2998143, 3944925, 4996905, 8328175, 14990715, 24984525, 74953575]

約数ペア:

[(1, 74953575), (3, 24984525), (5, 14990715), (9, 8328175), (15, 4996905), (19, 3944925), (25, 2998143), (45, 1665635), (57, 1314975), (75, 999381), (89, 842175), (95, 788985), (171, 438325), (197, 380475), (225, 333127), (267, 280725), (285, 262995), (445, 168435), (475, 157797), (591, 126825), (801, 93575), (855, 87665), (985, 76095), (1335, 56145), (1425, 52599), (1691, 44325), (1773, 42275), (2225, 33687), (2955, 25365), (3743, 20025), (4005, 18715), (4275, 17533), (4925, 15219), (5073, 14775), (6675, 11229), (8455, 8865)]