1809988455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{1291}}^1$

素因数の和:1632

約数の個数: 64

約数和(自身を含む): 3281886720

約数和(自身を除く): 1471898265

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 293, 319, 435, 879, 957, 1291, 1465, 1595, 3223, 3873, 4395, 4785, 6455, 8497, 9669, 14201, 16115, 19365, 25491, 37439, 42485, 42603, 48345, 71005, 93467, 112317, 127455, 187195, 213015, 280401, 378263, 411829, 467335, 561585, 1134789, 1235487, 1402005, 1891315, 2059145, 4160893, 5673945, 6177435, 10969627, 12482679, 20804465, 32908881, 54848135, 62413395, 120665897, 164544405, 361997691, 603329485, 1809988455]

約数ペア:

[(1, 1809988455), (3, 603329485), (5, 361997691), (11, 164544405), (15, 120665897), (29, 62413395), (33, 54848135), (55, 32908881), (87, 20804465), (145, 12482679), (165, 10969627), (293, 6177435), (319, 5673945), (435, 4160893), (879, 2059145), (957, 1891315), (1291, 1402005), (1465, 1235487), (1595, 1134789), (3223, 561585), (3873, 467335), (4395, 411829), (4785, 378263), (6455, 280401), (8497, 213015), (9669, 187195), (14201, 127455), (16115, 112317), (19365, 93467), (25491, 71005), (37439, 48345), (42485, 42603)]