668858931

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 1137628800

約数和(自身を除く): 468769869

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 197, 221, 351, 459, 569, 591, 663, 1707, 1773, 1989, 2561, 3349, 5121, 5319, 5967, 7397, 7683, 9673, 10047, 15363, 22191, 23049, 29019, 30141, 43537, 66573, 69147, 87057, 90423, 112093, 125749, 130611, 199719, 261171, 336279, 377247, 391833, 1008837, 1131741, 1175499, 1457209, 1905581, 3026511, 3395223, 4371627, 5716743, 13114881, 17150229, 24772553, 39344643, 51450687, 74317659, 222952977, 668858931]

約数ペア:

[(1, 668858931), (3, 222952977), (9, 74317659), (13, 51450687), (17, 39344643), (27, 24772553), (39, 17150229), (51, 13114881), (117, 5716743), (153, 4371627), (197, 3395223), (221, 3026511), (351, 1905581), (459, 1457209), (569, 1175499), (591, 1131741), (663, 1008837), (1707, 391833), (1773, 377247), (1989, 336279), (2561, 261171), (3349, 199719), (5121, 130611), (5319, 125749), (5967, 112093), (7397, 90423), (7683, 87057), (9673, 69147), (10047, 66573), (15363, 43537), (22191, 30141), (23049, 29019)]