1640474409

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1\times {\mathrm{3457}}^1$

素因数の和:3909

約数の個数: 32

約数和(自身を含む): 2549514240

約数和(自身を除く): 909039831

約数列:

[1, 3, 7, 21, 59, 177, 383, 413, 1149, 1239, 2681, 3457, 8043, 10371, 22597, 24199, 67791, 72597, 158179, 203963, 474537, 611889, 1324031, 1427741, 3972093, 4283223, 9268217, 27804651, 78117829, 234353487, 546824803, 1640474409]

約数ペア:

[(1, 1640474409), (3, 546824803), (7, 234353487), (21, 78117829), (59, 27804651), (177, 9268217), (383, 4283223), (413, 3972093), (1149, 1427741), (1239, 1324031), (2681, 611889), (3457, 474537), (8043, 203963), (10371, 158179), (22597, 72597), (24199, 67791)]