15691921329

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{1217}}^1$

素因数の和:1510

約数の個数: 64

約数和(自身を含む): 24900986880

約数和(自身を除く): 9209065551

約数列:

[1, 3, 7, 21, 43, 109, 129, 131, 301, 327, 393, 763, 903, 917, 1217, 2289, 2751, 3651, 4687, 5633, 8519, 14061, 14279, 16899, 25557, 32809, 39431, 42837, 52331, 98427, 99953, 118293, 132653, 156993, 159427, 299859, 366317, 397959, 478281, 613997, 928571, 1098951, 1115989, 1841991, 2785713, 3347967, 4297979, 5704079, 6855361, 12893937, 17112237, 17377543, 20566083, 39928553, 47987527, 52132629, 119785659, 121642801, 143962581, 364928403, 747234349, 2241703047, 5230640443, 15691921329]

約数ペア:

[(1, 15691921329), (3, 5230640443), (7, 2241703047), (21, 747234349), (43, 364928403), (109, 143962581), (129, 121642801), (131, 119785659), (301, 52132629), (327, 47987527), (393, 39928553), (763, 20566083), (903, 17377543), (917, 17112237), (1217, 12893937), (2289, 6855361), (2751, 5704079), (3651, 4297979), (4687, 3347967), (5633, 2785713), (8519, 1841991), (14061, 1115989), (14279, 1098951), (16899, 928571), (25557, 613997), (32809, 478281), (39431, 397959), (42837, 366317), (52331, 299859), (98427, 159427), (99953, 156993), (118293, 132653)]