42170985

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 75718656

約数和(自身を除く): 33547671

約数列:

[1, 3, 5, 9, 15, 45, 47, 127, 141, 157, 235, 381, 423, 471, 635, 705, 785, 1143, 1413, 1905, 2115, 2355, 5715, 5969, 7065, 7379, 17907, 19939, 22137, 29845, 36895, 53721, 59817, 66411, 89535, 99695, 110685, 179451, 268605, 299085, 332055, 897255, 937133, 2811399, 4685665, 8434197, 14056995, 42170985]

約数ペア:

[(1, 42170985), (3, 14056995), (5, 8434197), (9, 4685665), (15, 2811399), (45, 937133), (47, 897255), (127, 332055), (141, 299085), (157, 268605), (235, 179451), (381, 110685), (423, 99695), (471, 89535), (635, 66411), (705, 59817), (785, 53721), (1143, 36895), (1413, 29845), (1905, 22137), (2115, 19939), (2355, 17907), (5715, 7379), (5969, 7065)]