87690015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5923}}^1$

素因数の和:5988

約数の個数: 48

約数和(自身を含む): 177435648

約数和(自身を除く): 89745633

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1645, 2115, 2961, 4935, 5923, 14805, 17769, 29615, 41461, 53307, 88845, 124383, 207305, 266535, 278381, 373149, 621915, 835143, 1391905, 1865745, 1948667, 2505429, 4175715, 5846001, 9743335, 12527145, 17538003, 29230005, 87690015]

約数ペア:

[(1, 87690015), (3, 29230005), (5, 17538003), (7, 12527145), (9, 9743335), (15, 5846001), (21, 4175715), (35, 2505429), (45, 1948667), (47, 1865745), (63, 1391905), (105, 835143), (141, 621915), (235, 373149), (315, 278381), (329, 266535), (423, 207305), (705, 124383), (987, 88845), (1645, 53307), (2115, 41461), (2961, 29615), (4935, 17769), (5923, 14805)]