28432761

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 47545344

約数和(自身を除く): 19112583

約数列:

[1, 3, 7, 21, 23, 37, 43, 69, 111, 129, 161, 259, 301, 483, 777, 851, 903, 989, 1369, 1591, 2553, 2967, 4107, 4773, 5957, 6923, 9583, 11137, 17871, 20769, 28749, 31487, 33411, 36593, 58867, 94461, 109779, 176601, 220409, 256151, 412069, 661227, 768453, 1236207, 1353941, 4061823, 9477587, 28432761]

約数ペア:

[(1, 28432761), (3, 9477587), (7, 4061823), (21, 1353941), (23, 1236207), (37, 768453), (43, 661227), (69, 412069), (111, 256151), (129, 220409), (161, 176601), (259, 109779), (301, 94461), (483, 58867), (777, 36593), (851, 33411), (903, 31487), (989, 28749), (1369, 20769), (1591, 17871), (2553, 11137), (2967, 9583), (4107, 6923), (4773, 5957)]