201621825

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 396800000

約数和(自身を除く): 195178175

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 79, 95, 135, 171, 199, 225, 237, 285, 395, 475, 513, 597, 675, 711, 855, 995, 1185, 1425, 1501, 1791, 1975, 2133, 2565, 2985, 3555, 3781, 4275, 4503, 4975, 5373, 5925, 7505, 8955, 10665, 11343, 12825, 13509, 14925, 15721, 17775, 18905, 22515, 26865, 34029, 37525, 40527, 44775, 47163, 53325, 56715, 67545, 78605, 94525, 102087, 112575, 134325, 141489, 170145, 202635, 235815, 283575, 298699, 337725, 393025, 424467, 510435, 707445, 850725, 896097, 1013175, 1179075, 1493495, 2122335, 2552175, 2688291, 3537225, 4480485, 7467475, 8064873, 10611675, 13441455, 22402425, 40324365, 67207275, 201621825]

約数ペア:

[(1, 201621825), (3, 67207275), (5, 40324365), (9, 22402425), (15, 13441455), (19, 10611675), (25, 8064873), (27, 7467475), (45, 4480485), (57, 3537225), (75, 2688291), (79, 2552175), (95, 2122335), (135, 1493495), (171, 1179075), (199, 1013175), (225, 896097), (237, 850725), (285, 707445), (395, 510435), (475, 424467), (513, 393025), (597, 337725), (675, 298699), (711, 283575), (855, 235815), (995, 202635), (1185, 170145), (1425, 141489), (1501, 134325), (1791, 112575), (1975, 102087), (2133, 94525), (2565, 78605), (2985, 67545), (3555, 56715), (3781, 53325), (4275, 47163), (4503, 44775), (4975, 40527), (5373, 37525), (5925, 34029), (7505, 26865), (8955, 22515), (10665, 18905), (11343, 17775), (12825, 15721), (13509, 14925)]