2912794563

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 4815961920

約数和(自身を除く): 1903167357

約数列:

[1, 3, 7, 19, 21, 49, 57, 131, 133, 147, 361, 393, 399, 419, 917, 931, 1083, 1257, 2489, 2527, 2751, 2793, 2933, 6419, 7467, 7581, 7961, 8799, 17423, 17689, 19257, 20531, 23883, 47291, 52269, 53067, 54889, 55727, 61593, 121961, 141873, 151259, 164667, 167181, 331037, 365883, 384223, 390089, 453777, 993111, 1042891, 1058813, 1152669, 1170267, 2317259, 2689561, 3128673, 3176439, 6951777, 7300237, 7411691, 8068683, 19814929, 21900711, 22235073, 51101659, 59444787, 138704503, 153304977, 416113509, 970931521, 2912794563]

約数ペア:

[(1, 2912794563), (3, 970931521), (7, 416113509), (19, 153304977), (21, 138704503), (49, 59444787), (57, 51101659), (131, 22235073), (133, 21900711), (147, 19814929), (361, 8068683), (393, 7411691), (399, 7300237), (419, 6951777), (917, 3176439), (931, 3128673), (1083, 2689561), (1257, 2317259), (2489, 1170267), (2527, 1152669), (2751, 1058813), (2793, 1042891), (2933, 993111), (6419, 453777), (7467, 390089), (7581, 384223), (7961, 365883), (8799, 331037), (17423, 167181), (17689, 164667), (19257, 151259), (20531, 141873), (23883, 121961), (47291, 61593), (52269, 55727), (53067, 54889)]