31474089

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 52678080

約数和(自身を除く): 21203991

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 243, 323, 401, 459, 513, 969, 1203, 1377, 1539, 2907, 3609, 4131, 4617, 6817, 7619, 8721, 10827, 20451, 22857, 26163, 32481, 61353, 68571, 78489, 97443, 129523, 184059, 205713, 388569, 552177, 617139, 1165707, 1656531, 1851417, 3497121, 10491363, 31474089]

約数ペア:

[(1, 31474089), (3, 10491363), (9, 3497121), (17, 1851417), (19, 1656531), (27, 1165707), (51, 617139), (57, 552177), (81, 388569), (153, 205713), (171, 184059), (243, 129523), (323, 97443), (401, 78489), (459, 68571), (513, 61353), (969, 32481), (1203, 26163), (1377, 22857), (1539, 20451), (2907, 10827), (3609, 8721), (4131, 7619), (4617, 6817)]