201487209

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 346644480

約数和(自身を除く): 145157271

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 79, 181, 183, 231, 237, 427, 543, 553, 671, 869, 1267, 1281, 1659, 1991, 2013, 2607, 3801, 4697, 4819, 5973, 6083, 11041, 13937, 14091, 14299, 14457, 18249, 33123, 33733, 41811, 42897, 53009, 77287, 100093, 101199, 121451, 157289, 159027, 231861, 300279, 364353, 371063, 471867, 850157, 872239, 1101023, 1113189, 2550471, 2616717, 3303069, 6105673, 9594629, 18317019, 28783887, 67162403, 201487209]

約数ペア:

[(1, 201487209), (3, 67162403), (7, 28783887), (11, 18317019), (21, 9594629), (33, 6105673), (61, 3303069), (77, 2616717), (79, 2550471), (181, 1113189), (183, 1101023), (231, 872239), (237, 850157), (427, 471867), (543, 371063), (553, 364353), (671, 300279), (869, 231861), (1267, 159027), (1281, 157289), (1659, 121451), (1991, 101199), (2013, 100093), (2607, 77287), (3801, 53009), (4697, 42897), (4819, 41811), (5973, 33733), (6083, 33123), (11041, 18249), (13937, 14457), (14091, 14299)]