74057571

素因数分解:

$3^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 60

約数和(自身を含む): 131760288

約数和(自身を除く): 57702717

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 81, 141, 147, 189, 329, 397, 423, 441, 567, 987, 1191, 1269, 1323, 2303, 2779, 2961, 3573, 3807, 3969, 6909, 8337, 8883, 10719, 18659, 19453, 20727, 25011, 26649, 32157, 55977, 58359, 62181, 75033, 130613, 167931, 175077, 186543, 225099, 391839, 503793, 525231, 914291, 1175517, 1511379, 1575693, 2742873, 3526551, 8228619, 10579653, 24685857, 74057571]

約数ペア:

[(1, 74057571), (3, 24685857), (7, 10579653), (9, 8228619), (21, 3526551), (27, 2742873), (47, 1575693), (49, 1511379), (63, 1175517), (81, 914291), (141, 525231), (147, 503793), (189, 391839), (329, 225099), (397, 186543), (423, 175077), (441, 167931), (567, 130613), (987, 75033), (1191, 62181), (1269, 58359), (1323, 55977), (2303, 32157), (2779, 26649), (2961, 25011), (3573, 20727), (3807, 19453), (3969, 18659), (6909, 10719), (8337, 8883)]