71819145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4421}}^1$

素因数の和:4470

約数の個数: 36

約数和(自身を含む): 131412996

約数和(自身を除く): 59593851

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 361, 855, 1083, 1805, 3249, 4421, 5415, 13263, 16245, 22105, 39789, 66315, 83999, 198945, 251997, 419995, 755991, 1259985, 1595981, 3779955, 4787943, 7979905, 14363829, 23939715, 71819145]

約数ペア:

[(1, 71819145), (3, 23939715), (5, 14363829), (9, 7979905), (15, 4787943), (19, 3779955), (45, 1595981), (57, 1259985), (95, 755991), (171, 419995), (285, 251997), (361, 198945), (855, 83999), (1083, 66315), (1805, 39789), (3249, 22105), (4421, 16245), (5415, 13263)]