15187473

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{751}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 25989120

約数和(自身を除く): 10801647

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 751, 963, 2247, 2253, 2889, 5257, 6741, 6759, 15771, 20223, 20277, 47313, 80357, 141939, 241071, 562499, 723213, 1687497, 2169639, 5062491, 15187473]

約数ペア:

[(1, 15187473), (3, 5062491), (7, 2169639), (9, 1687497), (21, 723213), (27, 562499), (63, 241071), (107, 141939), (189, 80357), (321, 47313), (749, 20277), (751, 20223), (963, 15771), (2247, 6759), (2253, 6741), (2889, 5257)]