870835407

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{12289}}^1$

素因数の和:12407

約数の個数: 32

約数和(自身を含む): 1321420800

約数和(自身を除く): 450585393

約数列:

[1, 3, 13, 23, 39, 69, 79, 237, 299, 897, 1027, 1817, 3081, 5451, 12289, 23621, 36867, 70863, 159757, 282647, 479271, 847941, 970831, 2912493, 3674411, 11023233, 12620803, 22329113, 37862409, 66987339, 290278469, 870835407]

約数ペア:

[(1, 870835407), (3, 290278469), (13, 66987339), (23, 37862409), (39, 22329113), (69, 12620803), (79, 11023233), (237, 3674411), (299, 2912493), (897, 970831), (1027, 847941), (1817, 479271), (3081, 282647), (5451, 159757), (12289, 70863), (23621, 36867)]