30728961

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 45741696

約数和(自身を除く): 15012735

約数列:

[1, 3, 9, 43, 129, 271, 293, 387, 813, 879, 2439, 2637, 11653, 12599, 34959, 37797, 79403, 104877, 113391, 238209, 714627, 3414329, 10242987, 30728961]

約数ペア:

[(1, 30728961), (3, 10242987), (9, 3414329), (43, 714627), (129, 238209), (271, 113391), (293, 104877), (387, 79403), (813, 37797), (879, 34959), (2439, 12599), (2637, 11653)]