142321815

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 259084800

約数和(自身を除く): 116762985

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 199, 207, 345, 597, 691, 995, 1035, 1791, 2073, 2985, 3455, 4577, 6219, 8955, 10365, 13731, 15893, 22885, 31095, 41193, 47679, 68655, 79465, 137509, 143037, 205965, 238395, 412527, 687545, 715185, 1237581, 2062635, 3162707, 6187905, 9488121, 15813535, 28464363, 47440605, 142321815]

約数ペア:

[(1, 142321815), (3, 47440605), (5, 28464363), (9, 15813535), (15, 9488121), (23, 6187905), (45, 3162707), (69, 2062635), (115, 1237581), (199, 715185), (207, 687545), (345, 412527), (597, 238395), (691, 205965), (995, 143037), (1035, 137509), (1791, 79465), (2073, 68655), (2985, 47679), (3455, 41193), (4577, 31095), (6219, 22885), (8955, 15893), (10365, 13731)]