78180975

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{7393}}^1$

素因数の和:7456

約数の個数: 36

約数和(自身を含む): 143029536

約数和(自身を除く): 64848561

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2115, 3525, 7393, 10575, 22179, 36965, 66537, 110895, 184825, 332685, 347471, 554475, 1042413, 1663425, 1737355, 3127239, 5212065, 8686775, 15636195, 26060325, 78180975]

約数ペア:

[(1, 78180975), (3, 26060325), (5, 15636195), (9, 8686775), (15, 5212065), (25, 3127239), (45, 1737355), (47, 1663425), (75, 1042413), (141, 554475), (225, 347471), (235, 332685), (423, 184825), (705, 110895), (1175, 66537), (2115, 36965), (3525, 22179), (7393, 10575)]