196521795

素因数分解:

$3^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{769}}^1$

素因数の和:1417

約数の個数: 40

約数和(自身を含む): 353300640

約数和(自身を除く): 156778845

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 631, 769, 1893, 2307, 3155, 3845, 5679, 6921, 9465, 11535, 17037, 20763, 28395, 34605, 51111, 62289, 85185, 103815, 255555, 311445, 485239, 1455717, 2426195, 4367151, 7278585, 13101453, 21835755, 39304359, 65507265, 196521795]

約数ペア:

[(1, 196521795), (3, 65507265), (5, 39304359), (9, 21835755), (15, 13101453), (27, 7278585), (45, 4367151), (81, 2426195), (135, 1455717), (405, 485239), (631, 311445), (769, 255555), (1893, 103815), (2307, 85185), (3155, 62289), (3845, 51111), (5679, 34605), (6921, 28395), (9465, 20763), (11535, 17037)]