393099903

素因数分解:

$3^2\times 7^2\times {\mathrm{331}}^1\times {\mathrm{2693}}^1$

素因数の和:3044

約数の個数: 36

約数和(自身を含む): 662756328

約数和(自身を除く): 269656425

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 331, 441, 993, 2317, 2693, 2979, 6951, 8079, 16219, 18851, 20853, 24237, 48657, 56553, 131957, 145971, 169659, 395871, 891383, 1187613, 2674149, 6239681, 8022447, 18719043, 43677767, 56157129, 131033301, 393099903]

約数ペア:

[(1, 393099903), (3, 131033301), (7, 56157129), (9, 43677767), (21, 18719043), (49, 8022447), (63, 6239681), (147, 2674149), (331, 1187613), (441, 891383), (993, 395871), (2317, 169659), (2693, 145971), (2979, 131957), (6951, 56553), (8079, 48657), (16219, 24237), (18851, 20853)]