1887921

素因数分解:

$3^3\times 7^2\times {\mathrm{1427}}^1$

素因数の和:1450

約数の個数: 24

約数和(自身を含む): 3255840

約数和(自身を除く): 1367919

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1427, 4281, 9989, 12843, 29967, 38529, 69923, 89901, 209769, 269703, 629307, 1887921]

約数ペア:

[(1, 1887921), (3, 629307), (7, 269703), (9, 209769), (21, 89901), (27, 69923), (49, 38529), (63, 29967), (147, 12843), (189, 9989), (441, 4281), (1323, 1427)]