642933513

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{58603}}^1$

素因数の和:58685

約数の個数: 24

約数和(自身を含む): 987360192

約数和(自身を除く): 344426679

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 3657, 10971, 58603, 175809, 527427, 1347869, 3105959, 4043607, 9317877, 12130821, 27953631, 71437057, 214311171, 642933513]

約数ペア:

[(1, 642933513), (3, 214311171), (9, 71437057), (23, 27953631), (53, 12130821), (69, 9317877), (159, 4043607), (207, 3105959), (477, 1347869), (1219, 527427), (3657, 175809), (10971, 58603)]