81904035

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5521}}^1$

素因数の和:5595

約数の個数: 32

約数和(自身を含む): 139949568

約数和(自身を除く): 58045533

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2967, 4945, 5521, 14835, 16563, 27605, 82815, 126983, 237403, 380949, 634915, 712209, 1187015, 1904745, 3561045, 5460269, 16380807, 27301345, 81904035]

約数ペア:

[(1, 81904035), (3, 27301345), (5, 16380807), (15, 5460269), (23, 3561045), (43, 1904745), (69, 1187015), (115, 712209), (129, 634915), (215, 380949), (345, 237403), (645, 126983), (989, 82815), (2967, 27605), (4945, 16563), (5521, 14835)]