201909351

素因数分解:

$3^1\times 7^3\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 315648000

約数和(自身を除く): 113738649

約数列:

[1, 3, 7, 21, 49, 147, 239, 343, 717, 821, 1029, 1673, 2463, 5019, 5747, 11711, 17241, 35133, 40229, 81977, 120687, 196219, 245931, 281603, 588657, 844809, 1373533, 4120599, 9614731, 28844193, 67303117, 201909351]

約数ペア:

[(1, 201909351), (3, 67303117), (7, 28844193), (21, 9614731), (49, 4120599), (147, 1373533), (239, 844809), (343, 588657), (717, 281603), (821, 245931), (1029, 196219), (1673, 120687), (2463, 81977), (5019, 40229), (5747, 35133), (11711, 17241)]