61638375

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 111121920

約数和(自身を除く): 49483545

約数列:

[1, 3, 5, 15, 19, 25, 41, 57, 75, 95, 123, 125, 205, 211, 285, 375, 475, 615, 633, 779, 1025, 1055, 1425, 2337, 2375, 3075, 3165, 3895, 4009, 5125, 5275, 7125, 8651, 11685, 12027, 15375, 15825, 19475, 20045, 25953, 26375, 43255, 58425, 60135, 79125, 97375, 100225, 129765, 164369, 216275, 292125, 300675, 493107, 501125, 648825, 821845, 1081375, 1503375, 2465535, 3244125, 4109225, 12327675, 20546125, 61638375]

約数ペア:

[(1, 61638375), (3, 20546125), (5, 12327675), (15, 4109225), (19, 3244125), (25, 2465535), (41, 1503375), (57, 1081375), (75, 821845), (95, 648825), (123, 501125), (125, 493107), (205, 300675), (211, 292125), (285, 216275), (375, 164369), (475, 129765), (615, 100225), (633, 97375), (779, 79125), (1025, 60135), (1055, 58425), (1425, 43255), (2337, 26375), (2375, 25953), (3075, 20045), (3165, 19475), (3895, 15825), (4009, 15375), (5125, 12027), (5275, 11685), (7125, 8651)]