25149195

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 45837792

約数和(自身を除く): 20688597

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 123, 129, 205, 215, 317, 369, 387, 615, 645, 951, 1585, 1763, 1845, 1935, 2853, 4755, 5289, 8815, 12997, 13631, 14265, 15867, 26445, 38991, 40893, 64985, 68155, 79335, 116973, 122679, 194955, 204465, 558871, 584865, 613395, 1676613, 2794355, 5029839, 8383065, 25149195]

約数ペア:

[(1, 25149195), (3, 8383065), (5, 5029839), (9, 2794355), (15, 1676613), (41, 613395), (43, 584865), (45, 558871), (123, 204465), (129, 194955), (205, 122679), (215, 116973), (317, 79335), (369, 68155), (387, 64985), (615, 40893), (645, 38991), (951, 26445), (1585, 15867), (1763, 14265), (1845, 13631), (1935, 12997), (2853, 8815), (4755, 5289)]