1899686655

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1907}}^1$

素因数の和:2125

約数の個数: 64

約数和(自身を含む): 3472865280

約数和(自身を除く): 1573178625

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 157, 235, 423, 471, 705, 785, 1269, 1413, 1907, 2115, 2355, 4239, 5721, 6345, 7065, 7379, 9535, 17163, 21195, 22137, 28605, 36895, 51489, 66411, 85815, 89629, 110685, 199233, 257445, 268887, 299399, 332055, 448145, 806661, 898197, 996165, 1344435, 1496995, 2419983, 2694591, 4033305, 4490985, 8083773, 12099915, 13472955, 14071753, 40418865, 42215259, 70358765, 126645777, 211076295, 379937331, 633228885, 1899686655]

約数ペア:

[(1, 1899686655), (3, 633228885), (5, 379937331), (9, 211076295), (15, 126645777), (27, 70358765), (45, 42215259), (47, 40418865), (135, 14071753), (141, 13472955), (157, 12099915), (235, 8083773), (423, 4490985), (471, 4033305), (705, 2694591), (785, 2419983), (1269, 1496995), (1413, 1344435), (1907, 996165), (2115, 898197), (2355, 806661), (4239, 448145), (5721, 332055), (6345, 299399), (7065, 268887), (7379, 257445), (9535, 199233), (17163, 110685), (21195, 89629), (22137, 85815), (28605, 66411), (36895, 51489)]