28851225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 51996672

約数和(自身を除く): 23145447

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 127, 195, 233, 325, 381, 635, 699, 975, 1165, 1651, 1905, 3029, 3175, 3495, 4953, 5825, 8255, 9087, 9525, 15145, 17475, 24765, 29591, 41275, 45435, 75725, 88773, 123825, 147955, 227175, 384683, 443865, 739775, 1154049, 1923415, 2219325, 5770245, 9617075, 28851225]

約数ペア:

[(1, 28851225), (3, 9617075), (5, 5770245), (13, 2219325), (15, 1923415), (25, 1154049), (39, 739775), (65, 443865), (75, 384683), (127, 227175), (195, 147955), (233, 123825), (325, 88773), (381, 75725), (635, 45435), (699, 41275), (975, 29591), (1165, 24765), (1651, 17475), (1905, 15145), (3029, 9525), (3175, 9087), (3495, 8255), (4953, 5825)]