31872841

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1873}}^1$

素因数の和:1921

約数の個数: 32

約数和(自身を含む): 45335808

約数和(自身を除く): 13462967

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 1873, 2431, 13111, 17017, 20603, 24349, 31841, 144221, 170443, 222887, 267839, 350251, 413933, 1874873, 2451757, 2897531, 4553263, 31872841]

約数ペア:

[(1, 31872841), (7, 4553263), (11, 2897531), (13, 2451757), (17, 1874873), (77, 413933), (91, 350251), (119, 267839), (143, 222887), (187, 170443), (221, 144221), (1001, 31841), (1309, 24349), (1547, 20603), (1873, 17017), (2431, 13111)]