1285425

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 2393820

約数和(自身を除く): 1108395

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 197, 225, 261, 435, 591, 725, 985, 1305, 1773, 2175, 2955, 4925, 5713, 6525, 8865, 14775, 17139, 28565, 44325, 51417, 85695, 142825, 257085, 428475, 1285425]

約数ペア:

[(1, 1285425), (3, 428475), (5, 257085), (9, 142825), (15, 85695), (25, 51417), (29, 44325), (45, 28565), (75, 17139), (87, 14775), (145, 8865), (197, 6525), (225, 5713), (261, 4925), (435, 2955), (591, 2175), (725, 1773), (985, 1305)]