1990071195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{611389}}^1$

素因数の和:611435

約数の個数: 32

約数和(自身を含む): 3756380160

約数和(自身を除く): 1766308965

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 611389, 1834167, 3056945, 4279723, 9170835, 12839169, 18953059, 21398615, 56859177, 64195845, 94765295, 132671413, 284295885, 398014239, 663357065, 1990071195]

約数ペア:

[(1, 1990071195), (3, 663357065), (5, 398014239), (7, 284295885), (15, 132671413), (21, 94765295), (31, 64195845), (35, 56859177), (93, 21398615), (105, 18953059), (155, 12839169), (217, 9170835), (465, 4279723), (651, 3056945), (1085, 1834167), (3255, 611389)]