199391301

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 337328640

約数和(自身を除く): 137937339

約数列:

[1, 3, 9, 19, 23, 27, 43, 57, 69, 81, 129, 131, 171, 207, 387, 393, 437, 513, 621, 817, 989, 1161, 1179, 1311, 1539, 1863, 2451, 2489, 2967, 3013, 3483, 3537, 3933, 5633, 7353, 7467, 8901, 9039, 10611, 11799, 16899, 18791, 22059, 22401, 26703, 27117, 35397, 50697, 56373, 57247, 66177, 67203, 80109, 81351, 107027, 129559, 152091, 169119, 171741, 201609, 244053, 321081, 388677, 456273, 507357, 515223, 963243, 1166031, 1522071, 1545669, 2461621, 2889729, 3498093, 4637007, 7384863, 8669187, 10494279, 22154589, 66463767, 199391301]

約数ペア:

[(1, 199391301), (3, 66463767), (9, 22154589), (19, 10494279), (23, 8669187), (27, 7384863), (43, 4637007), (57, 3498093), (69, 2889729), (81, 2461621), (129, 1545669), (131, 1522071), (171, 1166031), (207, 963243), (387, 515223), (393, 507357), (437, 456273), (513, 388677), (621, 321081), (817, 244053), (989, 201609), (1161, 171741), (1179, 169119), (1311, 152091), (1539, 129559), (1863, 107027), (2451, 81351), (2489, 80109), (2967, 67203), (3013, 66177), (3483, 57247), (3537, 56373), (3933, 50697), (5633, 35397), (7353, 27117), (7467, 26703), (8901, 22401), (9039, 22059), (10611, 18791), (11799, 16899)]