91981505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1381}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 138509568

約数和(自身を除く): 46528063

約数列:

[1, 5, 7, 11, 35, 55, 77, 173, 385, 865, 1211, 1381, 1903, 6055, 6905, 9515, 9667, 13321, 15191, 48335, 66605, 75955, 106337, 238913, 531685, 1194565, 1672391, 2628043, 8361955, 13140215, 18396301, 91981505]

約数ペア:

[(1, 91981505), (5, 18396301), (7, 13140215), (11, 8361955), (35, 2628043), (55, 1672391), (77, 1194565), (173, 531685), (385, 238913), (865, 106337), (1211, 75955), (1381, 66605), (1903, 48335), (6055, 15191), (6905, 13321), (9515, 9667)]