388331517

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{347}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 632212992

約数和(自身を除く): 243881475

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 331, 347, 483, 993, 1041, 1127, 2317, 2429, 3381, 6951, 7287, 7613, 7981, 16219, 17003, 22839, 23943, 48657, 51009, 53291, 55867, 114857, 159873, 167601, 344571, 373037, 391069, 803999, 1119111, 1173207, 2411997, 2641711, 5627993, 7925133, 16883979, 18491977, 55475931, 129443839, 388331517]

約数ペア:

[(1, 388331517), (3, 129443839), (7, 55475931), (21, 18491977), (23, 16883979), (49, 7925133), (69, 5627993), (147, 2641711), (161, 2411997), (331, 1173207), (347, 1119111), (483, 803999), (993, 391069), (1041, 373037), (1127, 344571), (2317, 167601), (2429, 159873), (3381, 114857), (6951, 55867), (7287, 53291), (7613, 51009), (7981, 48657), (16219, 23943), (17003, 22839)]