26381115

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 22141125

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 71, 115, 207, 213, 345, 355, 359, 639, 1035, 1065, 1077, 1633, 1795, 3195, 3231, 4899, 5385, 8165, 8257, 14697, 16155, 24495, 24771, 25489, 41285, 73485, 74313, 76467, 123855, 127445, 229401, 371565, 382335, 586247, 1147005, 1758741, 2931235, 5276223, 8793705, 26381115]

約数ペア:

[(1, 26381115), (3, 8793705), (5, 5276223), (9, 2931235), (15, 1758741), (23, 1147005), (45, 586247), (69, 382335), (71, 371565), (115, 229401), (207, 127445), (213, 123855), (345, 76467), (355, 74313), (359, 73485), (639, 41285), (1035, 25489), (1065, 24771), (1077, 24495), (1633, 16155), (1795, 14697), (3195, 8257), (3231, 8165), (4899, 5385)]