1330911981

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{823}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 2369065920

約数和(自身を除く): 1038153939

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 193, 399, 441, 579, 823, 931, 1197, 1351, 1737, 2469, 2793, 3667, 4053, 5761, 7407, 8379, 9457, 11001, 12159, 15637, 17283, 25669, 28371, 33003, 40327, 46911, 51849, 77007, 85113, 109459, 120981, 140733, 158839, 179683, 231021, 328377, 362943, 476517, 539049, 766213, 985131, 1111873, 1429551, 1617147, 2298639, 3017941, 3335619, 6895917, 7783111, 9053823, 10006857, 21125587, 23349333, 27161469, 63376761, 70047999, 147879109, 190130283, 443637327, 1330911981]

約数ペア:

[(1, 1330911981), (3, 443637327), (7, 190130283), (9, 147879109), (19, 70047999), (21, 63376761), (49, 27161469), (57, 23349333), (63, 21125587), (133, 10006857), (147, 9053823), (171, 7783111), (193, 6895917), (399, 3335619), (441, 3017941), (579, 2298639), (823, 1617147), (931, 1429551), (1197, 1111873), (1351, 985131), (1737, 766213), (2469, 539049), (2793, 476517), (3667, 362943), (4053, 328377), (5761, 231021), (7407, 179683), (8379, 158839), (9457, 140733), (11001, 120981), (12159, 109459), (15637, 85113), (17283, 77007), (25669, 51849), (28371, 46911), (33003, 40327)]