47880009

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 70691712

約数和(自身を除く): 22811703

約数列:

[1, 3, 9, 67, 201, 271, 293, 603, 813, 879, 2439, 2637, 18157, 19631, 54471, 58893, 79403, 163413, 176679, 238209, 714627, 5320001, 15960003, 47880009]

約数ペア:

[(1, 47880009), (3, 15960003), (9, 5320001), (67, 714627), (201, 238209), (271, 176679), (293, 163413), (603, 79403), (813, 58893), (879, 54471), (2439, 19631), (2637, 18157)]