31622193

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^2$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 50250564

約数和(自身を除く): 18628371

約数列:

[1, 3, 9, 17, 41, 51, 71, 123, 153, 213, 369, 639, 697, 1207, 2091, 2911, 3621, 5041, 6273, 8733, 10863, 15123, 26199, 45369, 49487, 85697, 148461, 206681, 257091, 445383, 620043, 771273, 1860129, 3513577, 10540731, 31622193]

約数ペア:

[(1, 31622193), (3, 10540731), (9, 3513577), (17, 1860129), (41, 771273), (51, 620043), (71, 445383), (123, 257091), (153, 206681), (213, 148461), (369, 85697), (639, 49487), (697, 45369), (1207, 26199), (2091, 15123), (2911, 10863), (3621, 8733), (5041, 6273)]