289787565

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{2543}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 474771456

約数和(自身を除く): 184983891

約数列:

[1, 3, 5, 15, 71, 107, 213, 321, 355, 535, 1065, 1605, 2543, 7597, 7629, 12715, 22791, 37985, 38145, 113955, 180553, 272101, 541659, 816303, 902765, 1360505, 2708295, 4081515, 19319171, 57957513, 96595855, 289787565]

約数ペア:

[(1, 289787565), (3, 96595855), (5, 57957513), (15, 19319171), (71, 4081515), (107, 2708295), (213, 1360505), (321, 902765), (355, 816303), (535, 541659), (1065, 272101), (1605, 180553), (2543, 113955), (7597, 38145), (7629, 37985), (12715, 22791)]