28201341

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 44236800

約数和(自身を除く): 16035459

約数列:

[1, 3, 7, 21, 79, 89, 191, 237, 267, 553, 573, 623, 1337, 1659, 1869, 4011, 7031, 15089, 16999, 21093, 45267, 49217, 50997, 105623, 118993, 147651, 316869, 356979, 1342921, 4028763, 9400447, 28201341]

約数ペア:

[(1, 28201341), (3, 9400447), (7, 4028763), (21, 1342921), (79, 356979), (89, 316869), (191, 147651), (237, 118993), (267, 105623), (553, 50997), (573, 49217), (623, 45267), (1337, 21093), (1659, 16999), (1869, 15089), (4011, 7031)]