42388875

素因数分解:

$3^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{919}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 78361920

約数和(自身を除く): 35973045

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 125, 205, 225, 369, 375, 615, 919, 1025, 1125, 1845, 2757, 3075, 4595, 5125, 8271, 9225, 13785, 15375, 22975, 37679, 41355, 46125, 68925, 113037, 114875, 188395, 206775, 339111, 344625, 565185, 941975, 1033875, 1695555, 2825925, 4709875, 8477775, 14129625, 42388875]

約数ペア:

[(1, 42388875), (3, 14129625), (5, 8477775), (9, 4709875), (15, 2825925), (25, 1695555), (41, 1033875), (45, 941975), (75, 565185), (123, 344625), (125, 339111), (205, 206775), (225, 188395), (369, 114875), (375, 113037), (615, 68925), (919, 46125), (1025, 41355), (1125, 37679), (1845, 22975), (2757, 15375), (3075, 13785), (4595, 9225), (5125, 8271)]