30240903

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 53673984

約数和(自身を除く): 23433081

約数列:

[1, 3, 7, 11, 21, 31, 33, 41, 77, 93, 103, 123, 217, 231, 287, 309, 341, 451, 651, 721, 861, 1023, 1133, 1271, 1353, 2163, 2387, 3157, 3193, 3399, 3813, 4223, 7161, 7931, 8897, 9471, 9579, 12669, 13981, 22351, 23793, 26691, 29561, 35123, 41943, 46453, 67053, 88683, 97867, 105369, 130913, 139359, 245861, 293601, 325171, 392739, 737583, 916391, 975513, 1440043, 2749173, 4320129, 10080301, 30240903]

約数ペア:

[(1, 30240903), (3, 10080301), (7, 4320129), (11, 2749173), (21, 1440043), (31, 975513), (33, 916391), (41, 737583), (77, 392739), (93, 325171), (103, 293601), (123, 245861), (217, 139359), (231, 130913), (287, 105369), (309, 97867), (341, 88683), (451, 67053), (651, 46453), (721, 41943), (861, 35123), (1023, 29561), (1133, 26691), (1271, 23793), (1353, 22351), (2163, 13981), (2387, 12669), (3157, 9579), (3193, 9471), (3399, 8897), (3813, 7931), (4223, 7161)]