71541477

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 124750080

約数和(自身を除く): 53208603

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 97, 161, 207, 291, 483, 509, 679, 873, 1449, 1527, 2037, 2231, 3563, 4581, 6111, 6693, 10689, 11707, 15617, 20079, 32067, 35121, 46851, 49373, 81949, 105363, 140553, 148119, 245847, 345611, 444357, 737541, 1036833, 1135579, 3110499, 3406737, 7949053, 10220211, 23847159, 71541477]

約数ペア:

[(1, 71541477), (3, 23847159), (7, 10220211), (9, 7949053), (21, 3406737), (23, 3110499), (63, 1135579), (69, 1036833), (97, 737541), (161, 444357), (207, 345611), (291, 245847), (483, 148119), (509, 140553), (679, 105363), (873, 81949), (1449, 49373), (1527, 46851), (2037, 35121), (2231, 32067), (3563, 20079), (4581, 15617), (6111, 11707), (6693, 10689)]