201514215

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 383616000

約数和(自身を除く): 182101785

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 53, 105, 147, 159, 245, 265, 343, 371, 735, 739, 795, 1029, 1113, 1715, 1855, 2217, 2597, 3695, 5145, 5173, 5565, 7791, 11085, 12985, 15519, 18179, 25865, 36211, 38955, 39167, 54537, 77595, 90895, 108633, 117501, 181055, 195835, 253477, 272685, 274169, 543165, 587505, 760431, 822507, 1267385, 1370845, 1919183, 3802155, 4112535, 5757549, 9595915, 13434281, 28787745, 40302843, 67171405, 201514215]

約数ペア:

[(1, 201514215), (3, 67171405), (5, 40302843), (7, 28787745), (15, 13434281), (21, 9595915), (35, 5757549), (49, 4112535), (53, 3802155), (105, 1919183), (147, 1370845), (159, 1267385), (245, 822507), (265, 760431), (343, 587505), (371, 543165), (735, 274169), (739, 272685), (795, 253477), (1029, 195835), (1113, 181055), (1715, 117501), (1855, 108633), (2217, 90895), (2597, 77595), (3695, 54537), (5145, 39167), (5173, 38955), (5565, 36211), (7791, 25865), (11085, 18179), (12985, 15519)]