30806505

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 56833920

約数和(自身を除く): 26027415

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 137, 171, 263, 285, 411, 685, 789, 855, 1233, 1315, 2055, 2367, 2603, 3945, 4997, 6165, 7809, 11835, 13015, 14991, 23427, 24985, 36031, 39045, 44973, 74955, 108093, 117135, 180155, 224865, 324279, 540465, 684589, 1621395, 2053767, 3422945, 6161301, 10268835, 30806505]

約数ペア:

[(1, 30806505), (3, 10268835), (5, 6161301), (9, 3422945), (15, 2053767), (19, 1621395), (45, 684589), (57, 540465), (95, 324279), (137, 224865), (171, 180155), (263, 117135), (285, 108093), (411, 74955), (685, 44973), (789, 39045), (855, 36031), (1233, 24985), (1315, 23427), (2055, 14991), (2367, 13015), (2603, 11835), (3945, 7809), (4997, 6165)]