210819315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2957}}^1$

素因数の和:3076

約数の個数: 48

約数和(自身を含む): 396561312

約数和(自身を除く): 185741997

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 97, 105, 147, 245, 291, 485, 679, 735, 1455, 2037, 2957, 3395, 4753, 8871, 10185, 14259, 14785, 20699, 23765, 44355, 62097, 71295, 103495, 144893, 286829, 310485, 434679, 724465, 860487, 1434145, 2007803, 2173395, 4302435, 6023409, 10039015, 14054621, 30117045, 42163863, 70273105, 210819315]

約数ペア:

[(1, 210819315), (3, 70273105), (5, 42163863), (7, 30117045), (15, 14054621), (21, 10039015), (35, 6023409), (49, 4302435), (97, 2173395), (105, 2007803), (147, 1434145), (245, 860487), (291, 724465), (485, 434679), (679, 310485), (735, 286829), (1455, 144893), (2037, 103495), (2957, 71295), (3395, 62097), (4753, 44355), (8871, 23765), (10185, 20699), (14259, 14785)]