16889895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 32292000

約数和(自身を除く): 15402105

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 149, 165, 229, 447, 495, 687, 745, 1145, 1341, 1639, 2061, 2235, 2519, 3435, 4917, 6705, 7557, 8195, 10305, 12595, 14751, 22671, 24585, 34121, 37785, 73755, 102363, 113355, 170605, 307089, 375331, 511815, 1125993, 1535445, 1876655, 3377979, 5629965, 16889895]

約数ペア:

[(1, 16889895), (3, 5629965), (5, 3377979), (9, 1876655), (11, 1535445), (15, 1125993), (33, 511815), (45, 375331), (55, 307089), (99, 170605), (149, 113355), (165, 102363), (229, 73755), (447, 37785), (495, 34121), (687, 24585), (745, 22671), (1145, 14751), (1341, 12595), (1639, 10305), (2061, 8195), (2235, 7557), (2519, 6705), (3435, 4917)]