201778395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 407296512

約数和(自身を除く): 205518117

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 83, 91, 105, 137, 169, 195, 249, 273, 411, 415, 455, 507, 581, 685, 845, 959, 1079, 1183, 1245, 1365, 1743, 1781, 2055, 2535, 2877, 2905, 3237, 3549, 4795, 5343, 5395, 5915, 7553, 8715, 8905, 11371, 12467, 14027, 14385, 16185, 17745, 22659, 23153, 26715, 34113, 37401, 37765, 42081, 56855, 62335, 69459, 70135, 79597, 98189, 113295, 115765, 147823, 162071, 170565, 187005, 210405, 238791, 294567, 347295, 397985, 443469, 486213, 490945, 739115, 810355, 1034761, 1193955, 1472835, 1921699, 2217345, 2431065, 3104283, 5173805, 5765097, 9608495, 13451893, 15521415, 28825485, 40355679, 67259465, 201778395]

約数ペア:

[(1, 201778395), (3, 67259465), (5, 40355679), (7, 28825485), (13, 15521415), (15, 13451893), (21, 9608495), (35, 5765097), (39, 5173805), (65, 3104283), (83, 2431065), (91, 2217345), (105, 1921699), (137, 1472835), (169, 1193955), (195, 1034761), (249, 810355), (273, 739115), (411, 490945), (415, 486213), (455, 443469), (507, 397985), (581, 347295), (685, 294567), (845, 238791), (959, 210405), (1079, 187005), (1183, 170565), (1245, 162071), (1365, 147823), (1743, 115765), (1781, 113295), (2055, 98189), (2535, 79597), (2877, 70135), (2905, 69459), (3237, 62335), (3549, 56855), (4795, 42081), (5343, 37765), (5395, 37401), (5915, 34113), (7553, 26715), (8715, 23153), (8905, 22659), (11371, 17745), (12467, 16185), (14027, 14385)]