210312921

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 362815488

約数和(自身を除く): 152502567

約数列:

[1, 3, 7, 13, 21, 37, 39, 47, 91, 111, 141, 259, 273, 329, 443, 481, 611, 777, 987, 1329, 1443, 1739, 1833, 3101, 3367, 4277, 5217, 5759, 9303, 10101, 12173, 12831, 16391, 17277, 20821, 22607, 36519, 40313, 49173, 62463, 67821, 114737, 120939, 145747, 158249, 213083, 270673, 344211, 437241, 474747, 639249, 770377, 812019, 1491581, 1894711, 2311131, 4474743, 5392639, 5684133, 10014901, 16177917, 30044703, 70104307, 210312921]

約数ペア:

[(1, 210312921), (3, 70104307), (7, 30044703), (13, 16177917), (21, 10014901), (37, 5684133), (39, 5392639), (47, 4474743), (91, 2311131), (111, 1894711), (141, 1491581), (259, 812019), (273, 770377), (329, 639249), (443, 474747), (481, 437241), (611, 344211), (777, 270673), (987, 213083), (1329, 158249), (1443, 145747), (1739, 120939), (1833, 114737), (3101, 67821), (3367, 62463), (4277, 49173), (5217, 40313), (5759, 36519), (9303, 22607), (10101, 20821), (12173, 17277), (12831, 16391)]