25071921

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13723}}^1$

素因数の和:13765

約数の個数: 24

約数和(自身を含む): 42818880

約数和(自身を除く): 17746959

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 13723, 41169, 96061, 123507, 288183, 397967, 864549, 1193901, 2785769, 3581703, 8357307, 25071921]

約数ペア:

[(1, 25071921), (3, 8357307), (7, 3581703), (9, 2785769), (21, 1193901), (29, 864549), (63, 397967), (87, 288183), (203, 123507), (261, 96061), (609, 41169), (1827, 13723)]