28893015

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 53913600

約数和(自身を除く): 25020585

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 705, 719, 855, 893, 2115, 2157, 2679, 3595, 4465, 6471, 8037, 10785, 13395, 13661, 32355, 33793, 40185, 40983, 68305, 101379, 122949, 168965, 204915, 304137, 506895, 614745, 642067, 1520685, 1926201, 3210335, 5778603, 9631005, 28893015]

約数ペア:

[(1, 28893015), (3, 9631005), (5, 5778603), (9, 3210335), (15, 1926201), (19, 1520685), (45, 642067), (47, 614745), (57, 506895), (95, 304137), (141, 204915), (171, 168965), (235, 122949), (285, 101379), (423, 68305), (705, 40983), (719, 40185), (855, 33793), (893, 32355), (2115, 13661), (2157, 13395), (2679, 10785), (3595, 8037), (4465, 6471)]