28902225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 53193024

約数和(自身を除く): 24290799

約数列:

[1, 3, 5, 11, 15, 25, 33, 53, 55, 75, 159, 165, 265, 275, 583, 661, 795, 825, 1325, 1749, 1983, 2915, 3305, 3975, 7271, 8745, 9915, 14575, 16525, 21813, 35033, 36355, 43725, 49575, 105099, 109065, 175165, 181775, 385363, 525495, 545325, 875825, 1156089, 1926815, 2627475, 5780445, 9634075, 28902225]

約数ペア:

[(1, 28902225), (3, 9634075), (5, 5780445), (11, 2627475), (15, 1926815), (25, 1156089), (33, 875825), (53, 545325), (55, 525495), (75, 385363), (159, 181775), (165, 175165), (265, 109065), (275, 105099), (583, 49575), (661, 43725), (795, 36355), (825, 35033), (1325, 21813), (1749, 16525), (1983, 14575), (2915, 9915), (3305, 8745), (3975, 7271)]