27820575

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2027}}^1$

素因数の和:2104

約数の個数: 36

約数和(自身を含む): 50671608

約数和(自身を除く): 22851033

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1525, 2027, 2745, 4575, 6081, 10135, 13725, 18243, 30405, 50675, 91215, 123647, 152025, 370941, 456075, 618235, 1112823, 1854705, 3091175, 5564115, 9273525, 27820575]

約数ペア:

[(1, 27820575), (3, 9273525), (5, 5564115), (9, 3091175), (15, 1854705), (25, 1112823), (45, 618235), (61, 456075), (75, 370941), (183, 152025), (225, 123647), (305, 91215), (549, 50675), (915, 30405), (1525, 18243), (2027, 13725), (2745, 10135), (4575, 6081)]