781072131

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{7027}}^1$

素因数の和:7183

約数の個数: 32

約数和(自身を含む): 1223434240

約数和(自身を除く): 442362109

約数列:

[1, 3, 7, 21, 67, 79, 201, 237, 469, 553, 1407, 1659, 5293, 7027, 15879, 21081, 37051, 49189, 111153, 147567, 470809, 555133, 1412427, 1665399, 3295663, 3885931, 9886989, 11657793, 37193911, 111581733, 260357377, 781072131]

約数ペア:

[(1, 781072131), (3, 260357377), (7, 111581733), (21, 37193911), (67, 11657793), (79, 9886989), (201, 3885931), (237, 3295663), (469, 1665399), (553, 1412427), (1407, 555133), (1659, 470809), (5293, 147567), (7027, 111153), (15879, 49189), (21081, 37051)]