9890925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 18808320

約数和(自身を除く): 8917395

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 631, 825, 1045, 1425, 1893, 3135, 3155, 5225, 6941, 9465, 11989, 15675, 15775, 20823, 34705, 35967, 47325, 59945, 104115, 131879, 173525, 179835, 299725, 395637, 520575, 659395, 899175, 1978185, 3296975, 9890925]

約数ペア:

[(1, 9890925), (3, 3296975), (5, 1978185), (11, 899175), (15, 659395), (19, 520575), (25, 395637), (33, 299725), (55, 179835), (57, 173525), (75, 131879), (95, 104115), (165, 59945), (209, 47325), (275, 35967), (285, 34705), (475, 20823), (627, 15775), (631, 15675), (825, 11989), (1045, 9465), (1425, 6941), (1893, 5225), (3135, 3155)]