31990605

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 53498880

約数和(自身を除く): 21508275

約数列:

[1, 3, 5, 15, 31, 89, 93, 155, 267, 445, 465, 773, 1335, 2319, 2759, 3865, 8277, 11595, 13795, 23963, 41385, 68797, 71889, 119815, 206391, 343985, 359445, 1031955, 2132707, 6398121, 10663535, 31990605]

約数ペア:

[(1, 31990605), (3, 10663535), (5, 6398121), (15, 2132707), (31, 1031955), (89, 359445), (93, 343985), (155, 206391), (267, 119815), (445, 71889), (465, 68797), (773, 41385), (1335, 23963), (2319, 13795), (2759, 11595), (3865, 8277)]