30357999

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 55272672

約数和(自身を除く): 24914673

約数列:

[1, 3, 7, 9, 21, 23, 41, 49, 63, 69, 73, 123, 147, 161, 207, 219, 287, 369, 441, 483, 511, 657, 861, 943, 1127, 1449, 1533, 1679, 2009, 2583, 2829, 2993, 3381, 3577, 4599, 5037, 6027, 6601, 8487, 8979, 10143, 10731, 11753, 15111, 18081, 19803, 20951, 26937, 32193, 35259, 46207, 59409, 62853, 68839, 82271, 105777, 138621, 146657, 188559, 206517, 246813, 415863, 439971, 481873, 619551, 740439, 1319913, 1445619, 3373111, 4336857, 10119333, 30357999]

約数ペア:

[(1, 30357999), (3, 10119333), (7, 4336857), (9, 3373111), (21, 1445619), (23, 1319913), (41, 740439), (49, 619551), (63, 481873), (69, 439971), (73, 415863), (123, 246813), (147, 206517), (161, 188559), (207, 146657), (219, 138621), (287, 105777), (369, 82271), (441, 68839), (483, 62853), (511, 59409), (657, 46207), (861, 35259), (943, 32193), (1127, 26937), (1449, 20951), (1533, 19803), (1679, 18081), (2009, 15111), (2583, 11753), (2829, 10731), (2993, 10143), (3381, 8979), (3577, 8487), (4599, 6601), (5037, 6027)]