1257920025

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{1987}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 2177193984

約数和(自身を除く): 919273959

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 367, 575, 1101, 1725, 1835, 1987, 5505, 5961, 8441, 9175, 9935, 25323, 27525, 29805, 42205, 45701, 49675, 126615, 137103, 149025, 211025, 228505, 633075, 685515, 729229, 1142525, 2187687, 3427575, 3646145, 10938435, 16772267, 18230725, 50316801, 54692175, 83861335, 251584005, 419306675, 1257920025]

約数ペア:

[(1, 1257920025), (3, 419306675), (5, 251584005), (15, 83861335), (23, 54692175), (25, 50316801), (69, 18230725), (75, 16772267), (115, 10938435), (345, 3646145), (367, 3427575), (575, 2187687), (1101, 1142525), (1725, 729229), (1835, 685515), (1987, 633075), (5505, 228505), (5961, 211025), (8441, 149025), (9175, 137103), (9935, 126615), (25323, 49675), (27525, 45701), (29805, 42205)]