72497733

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2177

約数の個数: 32

約数和(自身を含む): 121344000

約数和(自身を除く): 48846267

約数列:

[1, 3, 7, 11, 21, 33, 77, 157, 231, 471, 1099, 1727, 1999, 3297, 5181, 5997, 12089, 13993, 21989, 36267, 41979, 65967, 153923, 313843, 461769, 941529, 2196901, 3452273, 6590703, 10356819, 24165911, 72497733]

約数ペア:

[(1, 72497733), (3, 24165911), (7, 10356819), (11, 6590703), (21, 3452273), (33, 2196901), (77, 941529), (157, 461769), (231, 313843), (471, 153923), (1099, 65967), (1727, 41979), (1999, 36267), (3297, 21989), (5181, 13993), (5997, 12089)]