12821535

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4013}}^1$

素因数の和:4095

約数の個数: 24

約数和(自身を含む): 22542624

約数和(自身を除く): 9721089

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 4013, 12039, 20065, 36117, 60195, 180585, 284923, 854769, 1424615, 2564307, 4273845, 12821535]

約数ペア:

[(1, 12821535), (3, 4273845), (5, 2564307), (9, 1424615), (15, 854769), (45, 284923), (71, 180585), (213, 60195), (355, 36117), (639, 20065), (1065, 12039), (3195, 4013)]