40399905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1741}}^1$

素因数の和:1786

約数の個数: 64

約数和(自身を含む): 84284928

約数和(自身を除く): 43885023

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 1105, 1365, 1547, 1741, 1785, 3315, 4641, 5223, 7735, 8705, 12187, 22633, 23205, 26115, 29597, 36561, 60935, 67899, 88791, 113165, 147985, 158431, 182805, 207179, 339495, 384761, 443955, 475293, 621537, 792155, 1035895, 1154283, 1923805, 2376465, 2693327, 3107685, 5771415, 8079981, 13466635, 40399905]

約数ペア:

[(1, 40399905), (3, 13466635), (5, 8079981), (7, 5771415), (13, 3107685), (15, 2693327), (17, 2376465), (21, 1923805), (35, 1154283), (39, 1035895), (51, 792155), (65, 621537), (85, 475293), (91, 443955), (105, 384761), (119, 339495), (195, 207179), (221, 182805), (255, 158431), (273, 147985), (357, 113165), (455, 88791), (595, 67899), (663, 60935), (1105, 36561), (1365, 29597), (1547, 26115), (1741, 23205), (1785, 22633), (3315, 12187), (4641, 8705), (5223, 7735)]