61219389

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 107347968

約数和(自身を除く): 46128579

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 83, 93, 103, 217, 231, 249, 309, 341, 581, 651, 721, 913, 1023, 1133, 1743, 2163, 2387, 2573, 2739, 3193, 3399, 6391, 7161, 7719, 7931, 8549, 9579, 18011, 19173, 22351, 23793, 25647, 28303, 35123, 54033, 59843, 67053, 84909, 94039, 105369, 179529, 198121, 245861, 265019, 282117, 594363, 658273, 737583, 795057, 1855133, 1974819, 2915209, 5565399, 8745627, 20406463, 61219389]

約数ペア:

[(1, 61219389), (3, 20406463), (7, 8745627), (11, 5565399), (21, 2915209), (31, 1974819), (33, 1855133), (77, 795057), (83, 737583), (93, 658273), (103, 594363), (217, 282117), (231, 265019), (249, 245861), (309, 198121), (341, 179529), (581, 105369), (651, 94039), (721, 84909), (913, 67053), (1023, 59843), (1133, 54033), (1743, 35123), (2163, 28303), (2387, 25647), (2573, 23793), (2739, 22351), (3193, 19173), (3399, 18011), (6391, 9579), (7161, 8549), (7719, 7931)]