161725905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3671}}^1$

素因数の和:3782

約数の個数: 48

約数和(自身を含む): 309329280

約数和(自身を除く): 147603375

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 89, 99, 165, 267, 445, 495, 801, 979, 1335, 2937, 3671, 4005, 4895, 8811, 11013, 14685, 18355, 33039, 40381, 44055, 55065, 121143, 165195, 201905, 326719, 363429, 605715, 980157, 1633595, 1817145, 2940471, 3593909, 4900785, 10781727, 14702355, 17969545, 32345181, 53908635, 161725905]

約数ペア:

[(1, 161725905), (3, 53908635), (5, 32345181), (9, 17969545), (11, 14702355), (15, 10781727), (33, 4900785), (45, 3593909), (55, 2940471), (89, 1817145), (99, 1633595), (165, 980157), (267, 605715), (445, 363429), (495, 326719), (801, 201905), (979, 165195), (1335, 121143), (2937, 55065), (3671, 44055), (4005, 40381), (4895, 33039), (8811, 18355), (11013, 14685)]