9900990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 28675296

約数和(自身を除く): 18774306

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 73, 90, 99, 110, 137, 146, 165, 198, 219, 274, 330, 365, 411, 438, 495, 657, 685, 730, 803, 822, 990, 1095, 1233, 1314, 1370, 1507, 1606, 2055, 2190, 2409, 2466, 3014, 3285, 4015, 4110, 4521, 4818, 6165, 6570, 7227, 7535, 8030, 9042, 10001, 12045, 12330, 13563, 14454, 15070, 20002, 22605, 24090, 27126, 30003, 36135, 45210, 50005, 60006, 67815, 72270, 90009, 100010, 110011, 135630, 150015, 180018, 220022, 300030, 330033, 450045, 550055, 660066, 900090, 990099, 1100110, 1650165, 1980198, 3300330, 4950495, 9900990]

約数ペア:

[(1, 9900990), (2, 4950495), (3, 3300330), (5, 1980198), (6, 1650165), (9, 1100110), (10, 990099), (11, 900090), (15, 660066), (18, 550055), (22, 450045), (30, 330033), (33, 300030), (45, 220022), (55, 180018), (66, 150015), (73, 135630), (90, 110011), (99, 100010), (110, 90009), (137, 72270), (146, 67815), (165, 60006), (198, 50005), (219, 45210), (274, 36135), (330, 30003), (365, 27126), (411, 24090), (438, 22605), (495, 20002), (657, 15070), (685, 14454), (730, 13563), (803, 12330), (822, 12045), (990, 10001), (1095, 9042), (1233, 8030), (1314, 7535), (1370, 7227), (1507, 6570), (1606, 6165), (2055, 4818), (2190, 4521), (2409, 4110), (2466, 4015), (3014, 3285)]