2021353485

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 3380942592

約数和(自身を除く): 1359589107

約数列:

[1, 3, 5, 15, 53, 67, 137, 159, 201, 265, 277, 335, 411, 685, 795, 831, 1005, 1385, 2055, 3551, 4155, 7261, 9179, 10653, 14681, 17755, 18559, 21783, 27537, 36305, 37949, 44043, 45895, 53265, 55677, 73405, 92795, 108915, 113847, 137685, 189745, 220215, 278385, 486487, 569235, 983627, 1459461, 2011297, 2432435, 2542583, 2950881, 4918135, 6033891, 7297305, 7627749, 10056485, 12712915, 14754405, 30169455, 38138745, 134756899, 404270697, 673784495, 2021353485]

約数ペア:

[(1, 2021353485), (3, 673784495), (5, 404270697), (15, 134756899), (53, 38138745), (67, 30169455), (137, 14754405), (159, 12712915), (201, 10056485), (265, 7627749), (277, 7297305), (335, 6033891), (411, 4918135), (685, 2950881), (795, 2542583), (831, 2432435), (1005, 2011297), (1385, 1459461), (2055, 983627), (3551, 569235), (4155, 486487), (7261, 278385), (9179, 220215), (10653, 189745), (14681, 137685), (17755, 113847), (18559, 108915), (21783, 92795), (27537, 73405), (36305, 55677), (37949, 53265), (44043, 45895)]