91721861

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 121264128

約数和(自身を除く): 29542267

約数列:

[1, 7, 11, 23, 67, 77, 161, 253, 469, 737, 773, 1541, 1771, 5159, 5411, 8503, 10787, 16951, 17779, 51791, 59521, 118657, 124453, 195569, 362537, 569701, 1191193, 1368983, 3987907, 8338351, 13103123, 91721861]

約数ペア:

[(1, 91721861), (7, 13103123), (11, 8338351), (23, 3987907), (67, 1368983), (77, 1191193), (161, 569701), (253, 362537), (469, 195569), (737, 124453), (773, 118657), (1541, 59521), (1771, 51791), (5159, 17779), (5411, 16951), (8503, 10787)]