2912973315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{208591}}^1$

素因数の和:208632

約数の個数: 48

約数和(自身を含む): 5707077120

約数和(自身を除く): 2794103805

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 208591, 625773, 1042955, 1460137, 3128865, 3963229, 4380411, 7300685, 10220959, 11889687, 19816145, 21902055, 27742603, 30662877, 51104795, 59448435, 83227809, 138713015, 153314385, 194198221, 416139045, 582594663, 970991105, 2912973315]

約数ペア:

[(1, 2912973315), (3, 970991105), (5, 582594663), (7, 416139045), (15, 194198221), (19, 153314385), (21, 138713015), (35, 83227809), (49, 59448435), (57, 51104795), (95, 30662877), (105, 27742603), (133, 21902055), (147, 19816145), (245, 11889687), (285, 10220959), (399, 7300685), (665, 4380411), (735, 3963229), (931, 3128865), (1995, 1460137), (2793, 1042955), (4655, 625773), (13965, 208591)]