65261385

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1741}}^1$

素因数の和:1783

約数の個数: 72

約数和(自身を含む): 139408776

約数和(自身を除く): 74147391

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1741, 1785, 2205, 2499, 4165, 5223, 5355, 7497, 8705, 12187, 12495, 15669, 26115, 29597, 36561, 37485, 60935, 78345, 85309, 88791, 109683, 147985, 182805, 207179, 255927, 266373, 426545, 443955, 548415, 621537, 767781, 1035895, 1279635, 1331865, 1450253, 1864611, 3107685, 3838905, 4350759, 7251265, 9323055, 13052277, 21753795, 65261385]

約数ペア:

[(1, 65261385), (3, 21753795), (5, 13052277), (7, 9323055), (9, 7251265), (15, 4350759), (17, 3838905), (21, 3107685), (35, 1864611), (45, 1450253), (49, 1331865), (51, 1279635), (63, 1035895), (85, 767781), (105, 621537), (119, 548415), (147, 443955), (153, 426545), (245, 266373), (255, 255927), (315, 207179), (357, 182805), (441, 147985), (595, 109683), (735, 88791), (765, 85309), (833, 78345), (1071, 60935), (1741, 37485), (1785, 36561), (2205, 29597), (2499, 26115), (4165, 15669), (5223, 12495), (5355, 12187), (7497, 8705)]