28413861

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 45163776

約数和(自身を除く): 16749915

約数列:

[1, 3, 7, 21, 41, 61, 123, 183, 287, 427, 541, 861, 1281, 1623, 2501, 3787, 7503, 11361, 17507, 22181, 33001, 52521, 66543, 99003, 155267, 231007, 465801, 693021, 1353041, 4059123, 9471287, 28413861]

約数ペア:

[(1, 28413861), (3, 9471287), (7, 4059123), (21, 1353041), (41, 693021), (61, 465801), (123, 231007), (183, 155267), (287, 99003), (427, 66543), (541, 52521), (861, 33001), (1281, 22181), (1623, 17507), (2501, 11361), (3787, 7503)]