8320005

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 15649920

約数和(自身を除く): 7329915

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 263, 285, 333, 555, 703, 789, 855, 1315, 1665, 2109, 2367, 3515, 3945, 4997, 6327, 9731, 10545, 11835, 14991, 24985, 29193, 31635, 44973, 48655, 74955, 87579, 145965, 184889, 224865, 437895, 554667, 924445, 1664001, 2773335, 8320005]

約数ペア:

[(1, 8320005), (3, 2773335), (5, 1664001), (9, 924445), (15, 554667), (19, 437895), (37, 224865), (45, 184889), (57, 145965), (95, 87579), (111, 74955), (171, 48655), (185, 44973), (263, 31635), (285, 29193), (333, 24985), (555, 14991), (703, 11835), (789, 10545), (855, 9731), (1315, 6327), (1665, 4997), (2109, 3945), (2367, 3515)]