16632315

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 35390160

約数和(自身を除く): 18757845

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 397, 399, 441, 665, 735, 855, 931, 1191, 1197, 1985, 1995, 2205, 2779, 2793, 3573, 4655, 5955, 5985, 7543, 8337, 8379, 13895, 13965, 17865, 19453, 22629, 25011, 37715, 41685, 41895, 52801, 58359, 67887, 97265, 113145, 125055, 158403, 175077, 264005, 291795, 339435, 369607, 475209, 792015, 875385, 1108821, 1848035, 2376045, 3326463, 5544105, 16632315]

約数ペア:

[(1, 16632315), (3, 5544105), (5, 3326463), (7, 2376045), (9, 1848035), (15, 1108821), (19, 875385), (21, 792015), (35, 475209), (45, 369607), (49, 339435), (57, 291795), (63, 264005), (95, 175077), (105, 158403), (133, 125055), (147, 113145), (171, 97265), (245, 67887), (285, 58359), (315, 52801), (397, 41895), (399, 41685), (441, 37715), (665, 25011), (735, 22629), (855, 19453), (931, 17865), (1191, 13965), (1197, 13895), (1985, 8379), (1995, 8337), (2205, 7543), (2779, 5985), (2793, 5955), (3573, 4655)]