438387015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1740

約数の個数: 64

約数和(自身を含む): 810196992

約数和(自身を除く): 371809977

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 71, 115, 165, 213, 253, 345, 355, 759, 781, 1065, 1265, 1627, 1633, 2343, 3795, 3905, 4881, 4899, 8135, 8165, 11715, 17897, 17963, 24405, 24495, 37421, 53691, 53889, 89485, 89815, 112263, 115517, 187105, 268455, 269445, 346551, 411631, 561315, 577585, 1234893, 1270687, 1732755, 2058155, 2656891, 3812061, 6174465, 6353435, 7970673, 13284455, 19060305, 29225801, 39853365, 87677403, 146129005, 438387015]

約数ペア:

[(1, 438387015), (3, 146129005), (5, 87677403), (11, 39853365), (15, 29225801), (23, 19060305), (33, 13284455), (55, 7970673), (69, 6353435), (71, 6174465), (115, 3812061), (165, 2656891), (213, 2058155), (253, 1732755), (345, 1270687), (355, 1234893), (759, 577585), (781, 561315), (1065, 411631), (1265, 346551), (1627, 269445), (1633, 268455), (2343, 187105), (3795, 115517), (3905, 112263), (4881, 89815), (4899, 89485), (8135, 53889), (8165, 53691), (11715, 37421), (17897, 24495), (17963, 24405)]