208343835

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4973}}^1$

素因数の和:5017

約数の個数: 72

約数和(自身を含む): 442288080

約数和(自身を除く): 233944245

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 399, 441, 665, 735, 855, 931, 1197, 1995, 2205, 2793, 4655, 4973, 5985, 8379, 13965, 14919, 24865, 34811, 41895, 44757, 74595, 94487, 104433, 174055, 223785, 243677, 283461, 313299, 472435, 522165, 661409, 731031, 850383, 1218385, 1417305, 1566495, 1984227, 2193093, 3307045, 3655155, 4251915, 4629863, 5952681, 9921135, 10965465, 13889589, 23149315, 29763405, 41668767, 69447945, 208343835]

約数ペア:

[(1, 208343835), (3, 69447945), (5, 41668767), (7, 29763405), (9, 23149315), (15, 13889589), (19, 10965465), (21, 9921135), (35, 5952681), (45, 4629863), (49, 4251915), (57, 3655155), (63, 3307045), (95, 2193093), (105, 1984227), (133, 1566495), (147, 1417305), (171, 1218385), (245, 850383), (285, 731031), (315, 661409), (399, 522165), (441, 472435), (665, 313299), (735, 283461), (855, 243677), (931, 223785), (1197, 174055), (1995, 104433), (2205, 94487), (2793, 74595), (4655, 44757), (4973, 41895), (5985, 34811), (8379, 24865), (13965, 14919)]