199417725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 389975040

約数和(自身を除く): 190557315

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 79, 117, 195, 225, 237, 325, 395, 585, 711, 863, 975, 1027, 1185, 1975, 2589, 2925, 3081, 3555, 4315, 5135, 5925, 7767, 9243, 11219, 12945, 15405, 17775, 21575, 25675, 33657, 38835, 46215, 56095, 64725, 68177, 77025, 100971, 168285, 194175, 204531, 231075, 280475, 340885, 504855, 613593, 841425, 886301, 1022655, 1704425, 2524275, 2658903, 3067965, 4431505, 5113275, 7976709, 13294515, 15339825, 22157525, 39883545, 66472575, 199417725]

約数ペア:

[(1, 199417725), (3, 66472575), (5, 39883545), (9, 22157525), (13, 15339825), (15, 13294515), (25, 7976709), (39, 5113275), (45, 4431505), (65, 3067965), (75, 2658903), (79, 2524275), (117, 1704425), (195, 1022655), (225, 886301), (237, 841425), (325, 613593), (395, 504855), (585, 340885), (711, 280475), (863, 231075), (975, 204531), (1027, 194175), (1185, 168285), (1975, 100971), (2589, 77025), (2925, 68177), (3081, 64725), (3555, 56095), (4315, 46215), (5135, 38835), (5925, 33657), (7767, 25675), (9243, 21575), (11219, 17775), (12945, 15405)]