25552755

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 46238400

約数和(自身を除く): 20685645

約数列:

[1, 3, 5, 9, 15, 37, 45, 103, 111, 149, 185, 309, 333, 447, 515, 555, 745, 927, 1341, 1545, 1665, 2235, 3811, 4635, 5513, 6705, 11433, 15347, 16539, 19055, 27565, 34299, 46041, 49617, 57165, 76735, 82695, 138123, 171495, 230205, 248085, 567839, 690615, 1703517, 2839195, 5110551, 8517585, 25552755]

約数ペア:

[(1, 25552755), (3, 8517585), (5, 5110551), (9, 2839195), (15, 1703517), (37, 690615), (45, 567839), (103, 248085), (111, 230205), (149, 171495), (185, 138123), (309, 82695), (333, 76735), (447, 57165), (515, 49617), (555, 46041), (745, 34299), (927, 27565), (1341, 19055), (1545, 16539), (1665, 15347), (2235, 11433), (3811, 6705), (4635, 5513)]