7180005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 14284800

約数和(自身を除く): 7104795

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 59, 61, 95, 105, 133, 177, 183, 285, 295, 305, 399, 413, 427, 665, 885, 915, 1121, 1159, 1239, 1281, 1995, 2065, 2135, 3363, 3477, 3599, 5605, 5795, 6195, 6405, 7847, 8113, 10797, 16815, 17385, 17995, 23541, 24339, 25193, 39235, 40565, 53985, 68381, 75579, 117705, 121695, 125965, 205143, 341905, 377895, 478667, 1025715, 1436001, 2393335, 7180005]

約数ペア:

[(1, 7180005), (3, 2393335), (5, 1436001), (7, 1025715), (15, 478667), (19, 377895), (21, 341905), (35, 205143), (57, 125965), (59, 121695), (61, 117705), (95, 75579), (105, 68381), (133, 53985), (177, 40565), (183, 39235), (285, 25193), (295, 24339), (305, 23541), (399, 17995), (413, 17385), (427, 16815), (665, 10797), (885, 8113), (915, 7847), (1121, 6405), (1159, 6195), (1239, 5795), (1281, 5605), (1995, 3599), (2065, 3477), (2135, 3363)]