1900891003

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 2130947280

約数和(自身を除く): 230056277

約数列:

[1, 11, 101, 109, 121, 1111, 1199, 1427, 11009, 12221, 13189, 15697, 121099, 144127, 155543, 172667, 1332089, 1585397, 1710973, 15709843, 17439367, 18820703, 172808273, 1900891003]

約数ペア:

[(1, 1900891003), (11, 172808273), (101, 18820703), (109, 17439367), (121, 15709843), (1111, 1710973), (1199, 1585397), (1427, 1332089), (11009, 172667), (12221, 155543), (13189, 144127), (15697, 121099)]