18177315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 32697504

約数和(自身を除く): 14520189

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 97, 155, 195, 291, 403, 465, 485, 961, 1209, 1261, 1455, 2015, 2883, 3007, 3783, 4805, 6045, 6305, 9021, 12493, 14415, 15035, 18915, 37479, 39091, 45105, 62465, 93217, 117273, 187395, 195455, 279651, 466085, 586365, 1211821, 1398255, 3635463, 6059105, 18177315]

約数ペア:

[(1, 18177315), (3, 6059105), (5, 3635463), (13, 1398255), (15, 1211821), (31, 586365), (39, 466085), (65, 279651), (93, 195455), (97, 187395), (155, 117273), (195, 93217), (291, 62465), (403, 45105), (465, 39091), (485, 37479), (961, 18915), (1209, 15035), (1261, 14415), (1455, 12493), (2015, 9021), (2883, 6305), (3007, 6045), (3783, 4805)]