287788371

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{691}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 423171840

約数和(自身を除く): 135383469

約数列:

[1, 3, 13, 39, 59, 177, 181, 543, 691, 767, 2073, 2301, 2353, 7059, 8983, 10679, 26949, 32037, 40769, 122307, 125071, 138827, 375213, 416481, 529997, 1589991, 1625923, 4877769, 7379189, 22137567, 95929457, 287788371]

約数ペア:

[(1, 287788371), (3, 95929457), (13, 22137567), (39, 7379189), (59, 4877769), (177, 1625923), (181, 1589991), (543, 529997), (691, 416481), (767, 375213), (2073, 138827), (2301, 125071), (2353, 122307), (7059, 40769), (8983, 32037), (10679, 26949)]