78319575

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4001}}^1$

素因数の和:4049

約数の個数: 48

約数和(自身を含む): 148874400

約数和(自身を除く): 70554825

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 1305, 2175, 3915, 4001, 6525, 12003, 19575, 20005, 36009, 60015, 100025, 108027, 116029, 180045, 300075, 348087, 540135, 580145, 900225, 1044261, 1740435, 2700675, 2900725, 3132783, 5221305, 8702175, 15663915, 26106525, 78319575]

約数ペア:

[(1, 78319575), (3, 26106525), (5, 15663915), (9, 8702175), (15, 5221305), (25, 3132783), (27, 2900725), (29, 2700675), (45, 1740435), (75, 1044261), (87, 900225), (135, 580145), (145, 540135), (225, 348087), (261, 300075), (435, 180045), (675, 116029), (725, 108027), (783, 100025), (1305, 60015), (2175, 36009), (3915, 20005), (4001, 19575), (6525, 12003)]