71145945

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13513}}^1$

素因数の和:13543

約数の個数: 40

約数和(自身を含む): 137356296

約数和(自身を除く): 66210351

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 13513, 40539, 67565, 121617, 175669, 202695, 364851, 527007, 608085, 878345, 1094553, 1581021, 1824255, 2635035, 4743063, 5472765, 7905105, 14229189, 23715315, 71145945]

約数ペア:

[(1, 71145945), (3, 23715315), (5, 14229189), (9, 7905105), (13, 5472765), (15, 4743063), (27, 2635035), (39, 1824255), (45, 1581021), (65, 1094553), (81, 878345), (117, 608085), (135, 527007), (195, 364851), (351, 202695), (405, 175669), (585, 121617), (1053, 67565), (1755, 40539), (5265, 13513)]