420649605

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19597}}^1$

素因数の和:19667

約数の個数: 40

約数和(自身を含む): 768319992

約数和(自身を除く): 347670387

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 4293, 7155, 19597, 21465, 58791, 97985, 176373, 293955, 529119, 881865, 1038641, 1587357, 2645595, 3115923, 5193205, 7936785, 9347769, 15579615, 28043307, 46738845, 84129921, 140216535, 420649605]

約数ペア:

[(1, 420649605), (3, 140216535), (5, 84129921), (9, 46738845), (15, 28043307), (27, 15579615), (45, 9347769), (53, 7936785), (81, 5193205), (135, 3115923), (159, 2645595), (265, 1587357), (405, 1038641), (477, 881865), (795, 529119), (1431, 293955), (2385, 176373), (4293, 97985), (7155, 58791), (19597, 21465)]