2121984003

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{3967}}^1$

素因数の和:4147

約数の個数: 32

約数和(自身を含む): 2991554560

約数和(自身を除く): 869570557

約数列:

[1, 3, 37, 61, 79, 111, 183, 237, 2257, 2923, 3967, 4819, 6771, 8769, 11901, 14457, 146779, 178303, 241987, 313393, 440337, 534909, 725961, 940179, 8953519, 11595541, 19116973, 26860557, 34786623, 57350919, 707328001, 2121984003]

約数ペア:

[(1, 2121984003), (3, 707328001), (37, 57350919), (61, 34786623), (79, 26860557), (111, 19116973), (183, 11595541), (237, 8953519), (2257, 940179), (2923, 725961), (3967, 534909), (4819, 440337), (6771, 313393), (8769, 241987), (11901, 178303), (14457, 146779)]