16523775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 32188416

約数和(自身を除く): 15664641

約数列:

[1, 3, 5, 9, 15, 23, 25, 31, 45, 69, 75, 93, 103, 115, 155, 207, 225, 279, 309, 345, 465, 515, 575, 713, 775, 927, 1035, 1395, 1545, 1725, 2139, 2325, 2369, 2575, 3193, 3565, 4635, 5175, 6417, 6975, 7107, 7725, 9579, 10695, 11845, 15965, 17825, 21321, 23175, 28737, 32085, 35535, 47895, 53475, 59225, 73439, 79825, 106605, 143685, 160425, 177675, 220317, 239475, 367195, 533025, 660951, 718425, 1101585, 1835975, 3304755, 5507925, 16523775]

約数ペア:

[(1, 16523775), (3, 5507925), (5, 3304755), (9, 1835975), (15, 1101585), (23, 718425), (25, 660951), (31, 533025), (45, 367195), (69, 239475), (75, 220317), (93, 177675), (103, 160425), (115, 143685), (155, 106605), (207, 79825), (225, 73439), (279, 59225), (309, 53475), (345, 47895), (465, 35535), (515, 32085), (575, 28737), (713, 23175), (775, 21321), (927, 17825), (1035, 15965), (1395, 11845), (1545, 10695), (1725, 9579), (2139, 7725), (2325, 7107), (2369, 6975), (2575, 6417), (3193, 5175), (3565, 4635)]