74748471

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 122572800

約数和(自身を除く): 47824329

約数列:

[1, 3, 7, 21, 31, 47, 49, 93, 141, 147, 217, 329, 349, 651, 987, 1047, 1457, 1519, 2303, 2443, 4371, 4557, 6909, 7329, 10199, 10819, 16403, 17101, 30597, 32457, 49209, 51303, 71393, 75733, 114821, 214179, 227199, 344463, 508493, 530131, 803747, 1525479, 1590393, 2411241, 3559451, 10678353, 24916157, 74748471]

約数ペア:

[(1, 74748471), (3, 24916157), (7, 10678353), (21, 3559451), (31, 2411241), (47, 1590393), (49, 1525479), (93, 803747), (141, 530131), (147, 508493), (217, 344463), (329, 227199), (349, 214179), (651, 114821), (987, 75733), (1047, 71393), (1457, 51303), (1519, 49209), (2303, 32457), (2443, 30597), (4371, 17101), (4557, 16403), (6909, 10819), (7329, 10199)]