77772735

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 138378240

約数和(自身を除く): 60605505

約数列:

[1, 3, 5, 9, 15, 45, 79, 131, 167, 237, 393, 395, 501, 655, 711, 835, 1179, 1185, 1503, 1965, 2505, 3555, 5895, 7515, 10349, 13193, 21877, 31047, 39579, 51745, 65631, 65965, 93141, 109385, 118737, 155235, 196893, 197895, 328155, 465705, 593685, 984465, 1728283, 5184849, 8641415, 15554547, 25924245, 77772735]

約数ペア:

[(1, 77772735), (3, 25924245), (5, 15554547), (9, 8641415), (15, 5184849), (45, 1728283), (79, 984465), (131, 593685), (167, 465705), (237, 328155), (393, 197895), (395, 196893), (501, 155235), (655, 118737), (711, 109385), (835, 93141), (1179, 65965), (1185, 65631), (1503, 51745), (1965, 39579), (2505, 31047), (3555, 21877), (5895, 13193), (7515, 10349)]